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34 vulnerabilities by protobufjs
CVE-2026-59877 (GCVE-0-2026-59877)
Vulnerability from nvd – Published: 2026-07-08 15:28 – Updated: 2026-07-08 15:49
VLAI
EPSS
VEX
Title
protobufjs: Denial of Service via infinite loop in .proto option parsing
Summary
protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.6.5 and 8.6.6, protobufjs parsed option names by advancing through schema tokens until reaching an = token without checking for end of input, so a crafted .proto schema that opens an option declaration and ends prematurely can cause parse, Root.load, or Root.loadSync to loop indefinitely. This issue is fixed in versions 7.6.5 and 8.6.6.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/protobufjs/protobuf.js/securit… | x_refsource_CONFIRM |
| https://github.com/protobufjs/protobuf.js/pull/2352 | x_refsource_MISC |
| https://github.com/protobufjs/protobuf.js/commit/… | x_refsource_MISC |
| https://github.com/protobufjs/protobuf.js/commit/… | x_refsource_MISC |
| https://github.com/protobufjs/protobuf.js/release… | x_refsource_MISC |
| https://github.com/protobufjs/protobuf.js/release… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| protobufjs | protobuf.js |
Affected:
>= 7.5.0, < 7.6.5
Affected: >= 8.0.0, < 8.6.6 |
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CVE-2026-59876 (GCVE-0-2026-59876)
Vulnerability from nvd – Published: 2026-07-08 15:31 – Updated: 2026-07-09 14:41
VLAI
EPSS
VEX
Title
protobufjs: Text Format string map parsing can mutate returned map object prototype
Summary
protobufjs compiles protobuf definitions into JavaScript (JS) functions. From 8.2.0 until 8.6.5, the protobufjs Text Format extension parsed string-keyed map entries using ordinary property assignment, allowing a map entry with key __proto__ to change the prototype of the returned map object instead of creating an own map entry in protobufjs/ext/textformat. This issue is fixed in version 8.6.5.
Severity
4.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/protobufjs/protobuf.js/securit… | x_refsource_CONFIRM |
| https://github.com/protobufjs/protobuf.js/pull/2335 | x_refsource_MISC |
| https://github.com/protobufjs/protobuf.js/commit/… | x_refsource_MISC |
| https://github.com/protobufjs/protobuf.js/release… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| protobufjs | protobuf.js |
Affected:
>= 8.2.0, < 8.6.5
|
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CVE-2026-54271 (GCVE-0-2026-54271)
Vulnerability from nvd – Published: 2026-06-22 16:16 – Updated: 2026-06-23 13:49
VLAI
EPSS
VEX
Title
protobufjs-cli: Code injection in pbjs static output from crafted JSON descriptor names
Summary
protobufjs-cli is the command line add-on for protobuf.js. Prior to 1.3.2 and 2.5.0, a previous fix for unsafe name handling in pbjs static / static-module code generation was incomplete. Affected versions of protobufjs-cli could still emit unsafe JavaScript references when generating static output from crafted JSON descriptor input. The common case of parsing schemas from .proto files is not affected. This is a bypass of CVE-2026-44295. An attacker who can provide or influence pre-parsed JSON descriptors passed to pbjs static code generation may be able to cause generated JavaScript output to contain attacker-controlled code. The injected code may execute if the generated file is later executed or imported and an affected generated API path is invoked. This vulnerability is fixed in 1.3.2 and 2.5.0.
Severity
8.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/protobufjs/protobuf.js/securit… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| protobufjs | protobufjs-cli |
Affected:
< 1.3.2
Affected: >= 2.0.0, < 2.4.2 |
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CVE-2026-54270 (GCVE-0-2026-54270)
Vulnerability from nvd – Published: 2026-06-22 16:19 – Updated: 2026-06-23 16:09
VLAI
EPSS
VEX
Title
protobufjs: Memory amplification from preserved unknown fields in binary decode
Summary
protobufjs compiles protobuf definitions into JavaScript (JS) functions. From 8.2.0 to 8.4.2, protobufjs preserved unknown wire elements in message.$unknowns and did not provide a decode-time option to discard unknown fields before retaining them. A crafted protobuf payload containing many unknown fields could therefore cause a decoded message to retain substantially more memory than the input size would suggest, even when unknown-field round-tripping is not needed. protobufjs 8.5.0 added the relevant decode-time options, allowing applications that decode untrusted protobuf data to disable unknown-field retention during decode. protobufjs 8.6.2 flips the default so unknown fields are discarded unless explicitly opted into.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/protobufjs/protobuf.js/securit… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| protobufjs | protobuf.js |
Affected:
>=8.2.0, < 8.5.0
|
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CVE-2026-54269 (GCVE-0-2026-54269)
Vulnerability from nvd – Published: 2026-06-22 16:23 – Updated: 2026-06-23 16:09
VLAI
EPSS
VEX
Title
protobufjs: Schema-derived names can shadow runtime-significant properties
Summary
protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 8.6.0 and 7.6.3, protobufjs accepted certain schema-derived names that could collide with properties used by protobufjs runtime helpers. The known affected names are fields named hasOwnProperty, field or oneof names such as $type when loaded through protobufjs JSON/reflection descriptors, and service methods whose generated helper name is rpcCall. When affected message or service types were used, protobufjs could read schema-controlled data where it expected an own-property helper, reflected type metadata, or the base RPC helper. This could cause deterministic exceptions or recursive calls in affected decode post-checks, verification, object conversion, reflected JSON serialization, or protobufjs RPC helper invocation. This vulnerability is fixed in 8.6.0 and 7.6.3.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/protobufjs/protobuf.js/securit… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| protobufjs | protobuf.js |
Affected:
< 7.6.3
Affected: >= 8.0.0, < 8.6.0 |
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CVE-2026-48712 (GCVE-0-2026-48712)
Vulnerability from nvd – Published: 2026-06-22 16:21 – Updated: 2026-06-23 15:54
VLAI
EPSS
VEX
Title
protobufjs: Denial of service through unbounded Any expansion during JSON conversion
Summary
protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.6.1 and 8.4.1, protobufjs could recurse without a depth limit while converting decoded messages to plain objects or JSON. This affected generated toObject() conversion and the custom google.protobuf.Any JSON conversion path. A crafted protobuf binary payload containing deeply nested Any values could cause the JavaScript call stack to be exhausted during conversion to JSON. This vulnerability is fixed in 7.6.1 and 8.4.1.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-674 - Uncontrolled Recursion
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/protobufjs/protobuf.js/securit… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| protobufjs | protobuf.js |
Affected:
< 7.6.1
Affected: >= 8.0.0, < 8.4.1 |
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CVE-2026-45740 (GCVE-0-2026-45740)
Vulnerability from nvd – Published: 2026-05-13 14:46 – Updated: 2026-05-13 18:20
VLAI
EPSS
VEX
Title
protobufjs: Denial of Service via unbounded recursive JSON descriptor expansion
Summary
protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.8 and 8.2.0, protobufjs could recurse without a depth limit while expanding nested JSON descriptors through Root.fromJSON() and Namespace.addJSON(). A crafted JSON descriptor with deeply nested namespace definitions could cause the JavaScript call stack to be exhausted during descriptor loading. This vulnerability is fixed in 7.5.8 and 8.2.0.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-674 - Uncontrolled Recursion
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/protobufjs/protobuf.js/securit… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| protobufjs | protobuf.js |
Affected:
< 7.5.8
Affected: >= 8.0.0, < 8.2.0 |
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CVE-2026-44295 (GCVE-0-2026-44295)
Vulnerability from nvd – Published: 2026-05-13 14:50 – Updated: 2026-05-13 18:20
VLAI
EPSS
VEX
Title
protobufjs-cli: Code injection in pbjs static output from crafted schema names
Summary
protobufjs-cli is the command line add-on for protobuf.js. Prior to 1.2.1 and 2.0.2, pbjs static code generation could emit unsafe JavaScript identifiers derived from schema-controlled names. When generating static JavaScript from a crafted schema or JSON descriptor, certain namespace, enum, service, or derived full names could be written into the generated output without sufficient sanitization. This vulnerability is fixed in 1.2.1 and 2.0.2.
Severity
8.7 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/protobufjs/protobuf.js/securit… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| protobufjs | protobuf.js |
Affected:
>= 2.0.0, < 2.0.2
Affected: < 1.2.1 |
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CVE-2026-44294 (GCVE-0-2026-44294)
Vulnerability from nvd – Published: 2026-05-13 14:44 – Updated: 2026-05-13 18:34
VLAI
EPSS
VEX
Title
protobufjs: Denial of service from crafted field names in generated code
Summary
protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.6 and 8.0.2, protobufjs generated JavaScript property accessors from schema-controlled field and oneof names. Certain control characters in field names were not escaped before being embedded into generated function bodies. A crafted schema or JSON descriptor could therefore cause generated encode, decode, verify, or conversion functions to fail during compilation. This vulnerability is fixed in 7.5.6 and 8.0.2.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/protobufjs/protobuf.js/securit… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| protobufjs | protobuf.js |
Affected:
< 7.5.6
Affected: >= 8.0.0, < 8.0.2 |
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CVE-2026-44293 (GCVE-0-2026-44293)
Vulnerability from nvd – Published: 2026-05-13 14:43 – Updated: 2026-07-10 12:06
VLAI
EPSS
VEX
Title
protobufjs: Code injection through bytes field defaults in generated toObject code
Summary
protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.6 and 8.0.2, protobufjs generated JavaScript for toObject conversion could include an unsafe expression derived from a schema-controlled bytes field default value. A crafted descriptor with a non-string default value for a bytes field could cause attacker-controlled code to be emitted into the generated conversion function. This vulnerability is fixed in 7.5.6 and 8.0.2.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://github.com/protobufjs/protobuf.js/securit… | x_refsource_CONFIRM |
| https://access.redhat.com/security/cve/CVE-2026-44293 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2477104 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:34160 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:37385 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:34374 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:26234 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:29795 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:26090 | vendor-advisoryx_refsource_REDHAT |
Impacted products
17 products
| Vendor | Product | Version | |
|---|---|---|---|
| protobufjs | protobuf.js |
Affected:
< 7.5.6
Affected: >= 8.0.0, < 8.0.2 |
|
| Red Hat | Red Hat Ansible Automation Platform 2.6 for RHEL 9 |
cpe:/a:redhat:ansible_automation_platform:2.6::el9 cpe:/a:redhat:ansible_automation_platform_developer:2.6::el9 |
|
| Red Hat | Red Hat Enterprise Linux Extensions Channel (v. 10) |
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Ansible Automation Platform 2.6 |
cpe:/a:redhat:ansible_automation_platform:2.6::el9 |
|
| Red Hat | Red Hat Developer Hub 1.9 |
cpe:/a:redhat:rhdh:1.9::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.22 |
cpe:/a:redhat:openshift:4.22::el9 |
|
| Red Hat | Red Hat OpenShift Service Mesh 3.3 |
cpe:/a:redhat:service_mesh:3.3::el9 |
|
| Red Hat | Red Hat Build of Podman Desktop |
cpe:/a:redhat:podman_desktop:1 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) 3 |
cpe:/a:redhat:enterprise_linux_ai:3 |
|
| Red Hat | Red Hat OpenShift AI (RHOAI) |
cpe:/a:redhat:openshift_ai |
|
| Red Hat | Red Hat OpenShift Container Platform 4 |
cpe:/a:redhat:openshift:4 |
|
| Red Hat | Red Hat Openshift Data Foundation 4 |
cpe:/a:redhat:openshift_data_foundation:4 |
|
| Red Hat | Self-service automation portal 2 |
cpe:/a:redhat:ansible_portal:2 |
|
| Red Hat | OpenShift Pipelines |
cpe:/a:redhat:openshift_pipelines:1 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Hardened Images |
cpe:/a:redhat:hummingbird:1 |
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CVE-2026-44292 (GCVE-0-2026-44292)
Vulnerability from nvd – Published: 2026-05-13 14:42 – Updated: 2026-05-18 14:01
VLAI
EPSS
VEX
Title
protobufjs: Prototype injection in generated message constructors
Summary
protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.6 and 8.0.2, protobufjs generated message constructors copied enumerable properties from a provided properties object without filtering the __proto__ key. If an application constructed a message from an attacker-controlled plain object, an own enumerable __proto__ property could alter the prototype of that individual message instance. This vulnerability is fixed in 7.5.6 and 8.0.2.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/protobufjs/protobuf.js/securit… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| protobufjs | protobuf.js |
Affected:
< 7.5.6
Affected: >= 8.0.0, < 8.0.2 |
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CVE-2026-44291 (GCVE-0-2026-44291)
Vulnerability from nvd – Published: 2026-05-13 14:42 – Updated: 2026-05-13 15:32
VLAI
EPSS
VEX
Title
protobufjs: Code generation gadget after prototype pollution
Summary
protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.6 and 8.0.2, protobufjs used plain objects with inherited prototypes for internal type lookup tables used by generated encode and decode functions. If Object.prototype had already been polluted, those lookup tables could resolve attacker-controlled inherited properties as valid protobuf type information. This could cause attacker-controlled strings to be emitted into generated JavaScript code. This vulnerability is fixed in 7.5.6 and 8.0.2.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/protobufjs/protobuf.js/securit… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| protobufjs | protobuf.js |
Affected:
< 7.5.6
Affected: >= 8.0.0, < 8.0.2 |
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CVE-2026-44290 (GCVE-0-2026-44290)
Vulnerability from nvd – Published: 2026-05-13 14:41 – Updated: 2026-05-14 13:45
VLAI
EPSS
VEX
Title
protobufjs: Process-wide denial of service through unsafe option paths
Summary
protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.6 and 8.0.2, protobufjs allowed certain schema option paths to traverse through inherited object properties while applying options. A crafted protobuf schema or JSON descriptor could cause option handling to write to properties on global JavaScript constructors, corrupting process-wide built-in functionality. This vulnerability is fixed in 7.5.6 and 8.0.2.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/protobufjs/protobuf.js/securit… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| protobufjs | protobuf.js |
Affected:
< 7.5.6
Affected: >= 8.0.0, < 8.0.2 |
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CVE-2026-44289 (GCVE-0-2026-44289)
Vulnerability from nvd – Published: 2026-05-13 14:39 – Updated: 2026-07-10 12:05
VLAI
EPSS
VEX
Title
protobufjs: Denial of service through unbounded protobuf recursion
Summary
protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.6 and 8.0.2, protobufjs could recurse without a depth limit while decoding nested protobuf data. This affected both skipping unknown group fields and generated decoding of nested message fields. A crafted protobuf binary payload could cause the JavaScript call stack to be exhausted during decoding. This vulnerability is fixed in 7.5.6 and 8.0.2.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/protobufjs/protobuf.js/securit… | x_refsource_CONFIRM |
| https://access.redhat.com/security/cve/CVE-2026-44289 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2477130 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
Impacted products
14 products
| Vendor | Product | Version | |
|---|---|---|---|
| protobufjs | protobuf.js |
Affected:
< 7.5.6
Affected: >= 8.0.0, < 8.0.2 |
|
| Red Hat | OpenShift Pipelines |
cpe:/a:redhat:openshift_pipelines:1 |
|
| Red Hat | Red Hat Ansible Automation Platform 2 |
cpe:/a:redhat:ansible_automation_platform:2 |
|
| Red Hat | Red Hat Build of Podman Desktop |
cpe:/a:redhat:podman_desktop:1 |
|
| Red Hat | Red Hat Ceph Storage 9 |
cpe:/a:redhat:ceph_storage:9 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) 3 |
cpe:/a:redhat:enterprise_linux_ai:3 |
|
| Red Hat | Red Hat OpenShift AI (RHOAI) |
cpe:/a:redhat:openshift_ai |
|
| Red Hat | Red Hat OpenShift Container Platform 4 |
cpe:/a:redhat:openshift:4 |
|
| Red Hat | Self-service automation portal 2 |
cpe:/a:redhat:ansible_portal:2 |
|
| Red Hat | OpenShift Service Mesh 3 |
cpe:/a:redhat:service_mesh:3 |
|
| Red Hat | Red Hat Developer Hub |
cpe:/a:redhat:rhdh:1 |
|
| Red Hat | Red Hat Hardened Images |
cpe:/a:redhat:hummingbird:1 |
|
| Red Hat | Red Hat Openshift Data Foundation 4 |
cpe:/a:redhat:openshift_data_foundation:4 |
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CVE-2026-44288 (GCVE-0-2026-44288)
Vulnerability from nvd – Published: 2026-05-13 14:37 – Updated: 2026-05-13 18:33
VLAI
EPSS
VEX
Title
protobufjs: Overlong UTF-8 decoding
Summary
protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.6 and 8.0.2, protobufjs includes a minimal UTF-8 decoder that accepted overlong UTF-8 byte sequences and decoded them to their canonical characters instead of replacing them. An attacker who can provide protobuf binary data decoded through the affected UTF-8 path may be able to bypass application-level checks that inspect raw bytes before protobuf string decoding. For example, bytes that do not contain certain ASCII characters could decode to strings containing those characters. This vulnerability is fixed in 7.5.6 and 8.0.2.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-176 - Improper Handling of Unicode Encoding
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/protobufjs/protobuf.js/securit… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| protobufjs | protobuf.js |
Affected:
< 7.5.6
Affected: >= 8.0.0, < 8.0.2 |
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CVE-2026-42290 (GCVE-0-2026-42290)
Vulnerability from nvd – Published: 2026-05-13 14:49 – Updated: 2026-05-18 13:54
VLAI
EPSS
VEX
Title
protobufjs-cli: OS Command Injection
Summary
protobufjs-cli is the command line add-on for protobuf.js. Prior to 1.2.1 and 2.0.2, pbts invoked JSDoc by building a shell command string from input file paths and executing it through child_process.exec. File paths containing shell metacharacters could therefore be interpreted by the shell instead of being passed to JSDoc as plain arguments. This vulnerability is fixed in 1.2.1 and 2.0.2.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/protobufjs/protobuf.js/securit… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| protobufjs | protobuf.js |
Affected:
>= 2.0.0, < 2.0.2
Affected: < 1.2.1 |
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CVE-2026-59876 (GCVE-0-2026-59876)
Vulnerability from cvelistv5 – Published: 2026-07-08 15:31 – Updated: 2026-07-09 14:41
VLAI
EPSS
VEX
Title
protobufjs: Text Format string map parsing can mutate returned map object prototype
Summary
protobufjs compiles protobuf definitions into JavaScript (JS) functions. From 8.2.0 until 8.6.5, the protobufjs Text Format extension parsed string-keyed map entries using ordinary property assignment, allowing a map entry with key __proto__ to change the prototype of the returned map object instead of creating an own map entry in protobufjs/ext/textformat. This issue is fixed in version 8.6.5.
Severity
4.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/protobufjs/protobuf.js/securit… | x_refsource_CONFIRM |
| https://github.com/protobufjs/protobuf.js/pull/2335 | x_refsource_MISC |
| https://github.com/protobufjs/protobuf.js/commit/… | x_refsource_MISC |
| https://github.com/protobufjs/protobuf.js/release… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| protobufjs | protobuf.js |
Affected:
>= 8.2.0, < 8.6.5
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CVE-2026-59877 (GCVE-0-2026-59877)
Vulnerability from cvelistv5 – Published: 2026-07-08 15:28 – Updated: 2026-07-08 15:49
VLAI
EPSS
VEX
Title
protobufjs: Denial of Service via infinite loop in .proto option parsing
Summary
protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.6.5 and 8.6.6, protobufjs parsed option names by advancing through schema tokens until reaching an = token without checking for end of input, so a crafted .proto schema that opens an option declaration and ends prematurely can cause parse, Root.load, or Root.loadSync to loop indefinitely. This issue is fixed in versions 7.6.5 and 8.6.6.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/protobufjs/protobuf.js/securit… | x_refsource_CONFIRM |
| https://github.com/protobufjs/protobuf.js/pull/2352 | x_refsource_MISC |
| https://github.com/protobufjs/protobuf.js/commit/… | x_refsource_MISC |
| https://github.com/protobufjs/protobuf.js/commit/… | x_refsource_MISC |
| https://github.com/protobufjs/protobuf.js/release… | x_refsource_MISC |
| https://github.com/protobufjs/protobuf.js/release… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| protobufjs | protobuf.js |
Affected:
>= 7.5.0, < 7.6.5
Affected: >= 8.0.0, < 8.6.6 |
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CVE-2026-54269 (GCVE-0-2026-54269)
Vulnerability from cvelistv5 – Published: 2026-06-22 16:23 – Updated: 2026-06-23 16:09
VLAI
EPSS
VEX
Title
protobufjs: Schema-derived names can shadow runtime-significant properties
Summary
protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 8.6.0 and 7.6.3, protobufjs accepted certain schema-derived names that could collide with properties used by protobufjs runtime helpers. The known affected names are fields named hasOwnProperty, field or oneof names such as $type when loaded through protobufjs JSON/reflection descriptors, and service methods whose generated helper name is rpcCall. When affected message or service types were used, protobufjs could read schema-controlled data where it expected an own-property helper, reflected type metadata, or the base RPC helper. This could cause deterministic exceptions or recursive calls in affected decode post-checks, verification, object conversion, reflected JSON serialization, or protobufjs RPC helper invocation. This vulnerability is fixed in 8.6.0 and 7.6.3.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/protobufjs/protobuf.js/securit… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| protobufjs | protobuf.js |
Affected:
< 7.6.3
Affected: >= 8.0.0, < 8.6.0 |
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CVE-2026-48712 (GCVE-0-2026-48712)
Vulnerability from cvelistv5 – Published: 2026-06-22 16:21 – Updated: 2026-06-23 15:54
VLAI
EPSS
VEX
Title
protobufjs: Denial of service through unbounded Any expansion during JSON conversion
Summary
protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.6.1 and 8.4.1, protobufjs could recurse without a depth limit while converting decoded messages to plain objects or JSON. This affected generated toObject() conversion and the custom google.protobuf.Any JSON conversion path. A crafted protobuf binary payload containing deeply nested Any values could cause the JavaScript call stack to be exhausted during conversion to JSON. This vulnerability is fixed in 7.6.1 and 8.4.1.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-674 - Uncontrolled Recursion
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/protobufjs/protobuf.js/securit… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| protobufjs | protobuf.js |
Affected:
< 7.6.1
Affected: >= 8.0.0, < 8.4.1 |
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CVE-2026-54270 (GCVE-0-2026-54270)
Vulnerability from cvelistv5 – Published: 2026-06-22 16:19 – Updated: 2026-06-23 16:09
VLAI
EPSS
VEX
Title
protobufjs: Memory amplification from preserved unknown fields in binary decode
Summary
protobufjs compiles protobuf definitions into JavaScript (JS) functions. From 8.2.0 to 8.4.2, protobufjs preserved unknown wire elements in message.$unknowns and did not provide a decode-time option to discard unknown fields before retaining them. A crafted protobuf payload containing many unknown fields could therefore cause a decoded message to retain substantially more memory than the input size would suggest, even when unknown-field round-tripping is not needed. protobufjs 8.5.0 added the relevant decode-time options, allowing applications that decode untrusted protobuf data to disable unknown-field retention during decode. protobufjs 8.6.2 flips the default so unknown fields are discarded unless explicitly opted into.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/protobufjs/protobuf.js/securit… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| protobufjs | protobuf.js |
Affected:
>=8.2.0, < 8.5.0
|
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CVE-2026-54271 (GCVE-0-2026-54271)
Vulnerability from cvelistv5 – Published: 2026-06-22 16:16 – Updated: 2026-06-23 13:49
VLAI
EPSS
VEX
Title
protobufjs-cli: Code injection in pbjs static output from crafted JSON descriptor names
Summary
protobufjs-cli is the command line add-on for protobuf.js. Prior to 1.3.2 and 2.5.0, a previous fix for unsafe name handling in pbjs static / static-module code generation was incomplete. Affected versions of protobufjs-cli could still emit unsafe JavaScript references when generating static output from crafted JSON descriptor input. The common case of parsing schemas from .proto files is not affected. This is a bypass of CVE-2026-44295. An attacker who can provide or influence pre-parsed JSON descriptors passed to pbjs static code generation may be able to cause generated JavaScript output to contain attacker-controlled code. The injected code may execute if the generated file is later executed or imported and an affected generated API path is invoked. This vulnerability is fixed in 1.3.2 and 2.5.0.
Severity
8.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/protobufjs/protobuf.js/securit… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| protobufjs | protobufjs-cli |
Affected:
< 1.3.2
Affected: >= 2.0.0, < 2.4.2 |
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CVE-2026-44295 (GCVE-0-2026-44295)
Vulnerability from cvelistv5 – Published: 2026-05-13 14:50 – Updated: 2026-05-13 18:20
VLAI
EPSS
VEX
Title
protobufjs-cli: Code injection in pbjs static output from crafted schema names
Summary
protobufjs-cli is the command line add-on for protobuf.js. Prior to 1.2.1 and 2.0.2, pbjs static code generation could emit unsafe JavaScript identifiers derived from schema-controlled names. When generating static JavaScript from a crafted schema or JSON descriptor, certain namespace, enum, service, or derived full names could be written into the generated output without sufficient sanitization. This vulnerability is fixed in 1.2.1 and 2.0.2.
Severity
8.7 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/protobufjs/protobuf.js/securit… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| protobufjs | protobuf.js |
Affected:
>= 2.0.0, < 2.0.2
Affected: < 1.2.1 |
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CVE-2026-42290 (GCVE-0-2026-42290)
Vulnerability from cvelistv5 – Published: 2026-05-13 14:49 – Updated: 2026-05-18 13:54
VLAI
EPSS
VEX
Title
protobufjs-cli: OS Command Injection
Summary
protobufjs-cli is the command line add-on for protobuf.js. Prior to 1.2.1 and 2.0.2, pbts invoked JSDoc by building a shell command string from input file paths and executing it through child_process.exec. File paths containing shell metacharacters could therefore be interpreted by the shell instead of being passed to JSDoc as plain arguments. This vulnerability is fixed in 1.2.1 and 2.0.2.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/protobufjs/protobuf.js/securit… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| protobufjs | protobuf.js |
Affected:
>= 2.0.0, < 2.0.2
Affected: < 1.2.1 |
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CVE-2026-45740 (GCVE-0-2026-45740)
Vulnerability from cvelistv5 – Published: 2026-05-13 14:46 – Updated: 2026-05-13 18:20
VLAI
EPSS
VEX
Title
protobufjs: Denial of Service via unbounded recursive JSON descriptor expansion
Summary
protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.8 and 8.2.0, protobufjs could recurse without a depth limit while expanding nested JSON descriptors through Root.fromJSON() and Namespace.addJSON(). A crafted JSON descriptor with deeply nested namespace definitions could cause the JavaScript call stack to be exhausted during descriptor loading. This vulnerability is fixed in 7.5.8 and 8.2.0.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-674 - Uncontrolled Recursion
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/protobufjs/protobuf.js/securit… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| protobufjs | protobuf.js |
Affected:
< 7.5.8
Affected: >= 8.0.0, < 8.2.0 |
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CVE-2026-44294 (GCVE-0-2026-44294)
Vulnerability from cvelistv5 – Published: 2026-05-13 14:44 – Updated: 2026-05-13 18:34
VLAI
EPSS
VEX
Title
protobufjs: Denial of service from crafted field names in generated code
Summary
protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.6 and 8.0.2, protobufjs generated JavaScript property accessors from schema-controlled field and oneof names. Certain control characters in field names were not escaped before being embedded into generated function bodies. A crafted schema or JSON descriptor could therefore cause generated encode, decode, verify, or conversion functions to fail during compilation. This vulnerability is fixed in 7.5.6 and 8.0.2.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/protobufjs/protobuf.js/securit… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| protobufjs | protobuf.js |
Affected:
< 7.5.6
Affected: >= 8.0.0, < 8.0.2 |
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CVE-2026-44293 (GCVE-0-2026-44293)
Vulnerability from cvelistv5 – Published: 2026-05-13 14:43 – Updated: 2026-07-10 12:06
VLAI
EPSS
VEX
Title
protobufjs: Code injection through bytes field defaults in generated toObject code
Summary
protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.6 and 8.0.2, protobufjs generated JavaScript for toObject conversion could include an unsafe expression derived from a schema-controlled bytes field default value. A crafted descriptor with a non-string default value for a bytes field could cause attacker-controlled code to be emitted into the generated conversion function. This vulnerability is fixed in 7.5.6 and 8.0.2.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://github.com/protobufjs/protobuf.js/securit… | x_refsource_CONFIRM |
| https://access.redhat.com/security/cve/CVE-2026-44293 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2477104 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:34160 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:37385 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:34374 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:26234 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:29795 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:26090 | vendor-advisoryx_refsource_REDHAT |
Impacted products
17 products
| Vendor | Product | Version | |
|---|---|---|---|
| protobufjs | protobuf.js |
Affected:
< 7.5.6
Affected: >= 8.0.0, < 8.0.2 |
|
| Red Hat | Red Hat Ansible Automation Platform 2.6 for RHEL 9 |
cpe:/a:redhat:ansible_automation_platform:2.6::el9 cpe:/a:redhat:ansible_automation_platform_developer:2.6::el9 |
|
| Red Hat | Red Hat Enterprise Linux Extensions Channel (v. 10) |
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Ansible Automation Platform 2.6 |
cpe:/a:redhat:ansible_automation_platform:2.6::el9 |
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| Red Hat | Red Hat Developer Hub 1.9 |
cpe:/a:redhat:rhdh:1.9::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.22 |
cpe:/a:redhat:openshift:4.22::el9 |
|
| Red Hat | Red Hat OpenShift Service Mesh 3.3 |
cpe:/a:redhat:service_mesh:3.3::el9 |
|
| Red Hat | Red Hat Build of Podman Desktop |
cpe:/a:redhat:podman_desktop:1 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) 3 |
cpe:/a:redhat:enterprise_linux_ai:3 |
|
| Red Hat | Red Hat OpenShift AI (RHOAI) |
cpe:/a:redhat:openshift_ai |
|
| Red Hat | Red Hat OpenShift Container Platform 4 |
cpe:/a:redhat:openshift:4 |
|
| Red Hat | Red Hat Openshift Data Foundation 4 |
cpe:/a:redhat:openshift_data_foundation:4 |
|
| Red Hat | Self-service automation portal 2 |
cpe:/a:redhat:ansible_portal:2 |
|
| Red Hat | OpenShift Pipelines |
cpe:/a:redhat:openshift_pipelines:1 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Hardened Images |
cpe:/a:redhat:hummingbird:1 |
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CVE-2026-44292 (GCVE-0-2026-44292)
Vulnerability from cvelistv5 – Published: 2026-05-13 14:42 – Updated: 2026-05-18 14:01
VLAI
EPSS
VEX
Title
protobufjs: Prototype injection in generated message constructors
Summary
protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.6 and 8.0.2, protobufjs generated message constructors copied enumerable properties from a provided properties object without filtering the __proto__ key. If an application constructed a message from an attacker-controlled plain object, an own enumerable __proto__ property could alter the prototype of that individual message instance. This vulnerability is fixed in 7.5.6 and 8.0.2.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/protobufjs/protobuf.js/securit… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| protobufjs | protobuf.js |
Affected:
< 7.5.6
Affected: >= 8.0.0, < 8.0.2 |
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CVE-2026-44291 (GCVE-0-2026-44291)
Vulnerability from cvelistv5 – Published: 2026-05-13 14:42 – Updated: 2026-05-13 15:32
VLAI
EPSS
VEX
Title
protobufjs: Code generation gadget after prototype pollution
Summary
protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.6 and 8.0.2, protobufjs used plain objects with inherited prototypes for internal type lookup tables used by generated encode and decode functions. If Object.prototype had already been polluted, those lookup tables could resolve attacker-controlled inherited properties as valid protobuf type information. This could cause attacker-controlled strings to be emitted into generated JavaScript code. This vulnerability is fixed in 7.5.6 and 8.0.2.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/protobufjs/protobuf.js/securit… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| protobufjs | protobuf.js |
Affected:
< 7.5.6
Affected: >= 8.0.0, < 8.0.2 |
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CVE-2026-44290 (GCVE-0-2026-44290)
Vulnerability from cvelistv5 – Published: 2026-05-13 14:41 – Updated: 2026-05-14 13:45
VLAI
EPSS
VEX
Title
protobufjs: Process-wide denial of service through unsafe option paths
Summary
protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.6 and 8.0.2, protobufjs allowed certain schema option paths to traverse through inherited object properties while applying options. A crafted protobuf schema or JSON descriptor could cause option handling to write to properties on global JavaScript constructors, corrupting process-wide built-in functionality. This vulnerability is fixed in 7.5.6 and 8.0.2.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/protobufjs/protobuf.js/securit… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| protobufjs | protobuf.js |
Affected:
< 7.5.6
Affected: >= 8.0.0, < 8.0.2 |
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