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Common Weakness Enumeration

CWE-674

Allowed-with-Review

Uncontrolled Recursion

Abstraction: Class · Status: Draft

API response cwe.mitre.org

The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.

770 vulnerabilities reference this CWE, most recent first.

CVE-2026-90472 (GCVE-0-2026-90472)

Vulnerability from cvelistv5 – Published: 2026-09-12 11:06 – Updated: 2026-09-12 11:06
VLAI
Title
msgpack-java through 0.9.12 Stack Overflow via Nested Arrays
Summary
msgpack-java through 0.9.12 contains a stack overflow vulnerability in MessageUnpacker.unpackValue() that recursively deserializes arrays and maps without nesting depth limits. Attackers can craft payloads with deeply nested arrays to exhaust the deserializing thread's stack and trigger StackOverflowError, causing per-request deserialization failures.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE
Assigner
References
Impacted products
Vendor Product Version
msgpack msgpack-java Affected: 0 , ≤ 0.9.12 (semver)
    cpe:2.3:a:msgpack:messagepack:*:*:*:*:*:java:*:*
Create a notification for this product.
Date Public
2026-08-07 00:00
Credits
Wayde Shi (PayPal Cyber Security Team)
Show details on NVD website
To clipboard 

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CVE-2026-88763 (GCVE-0-2026-88763)

Vulnerability from cvelistv5 – Published: 2026-09-10 07:09 – Updated: 2026-09-10 07:09
VLAI
Title
Skupper-router: skupper-router: unbounded recursion in amqp field parser leads to denial of service
Summary
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Severity
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
Assigner
References
URL Tags
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https://bugzilla.redhat.com/show_bug.cgi?id=2531301 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version
Red Hat Red Hat Service Interconnect 2     cpe:/a:redhat:service_interconnect:2
Create a notification for this product.
Date Public
2026-09-10 06:56
Credits
Red Hat would like to thank Gjoko Krstic (Zero Science Lab) for reporting this issue.
Show details on NVD website
To clipboard 

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CVE-2026-84851 (GCVE-0-2026-84851)

Vulnerability from cvelistv5 – Published: 2026-09-02 20:19 – Updated: 2026-09-03 13:15
VLAI
Title
Uncontrolled recursion in the Ion reader in Amazon Ion-C before 1.1.6
Summary
An uncontrolled recursion issue exists in Amazon Ion-C versions before 1.1.6 that might allow a remote unauthenticated actor to craft Ion data that exhausts the native call stack and crashes the application using the library, resulting in a denial of service.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-03 13:15 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
Amazon ion-c Affected: 0 , < 1.1.6 (custom)
    cpe:2.3:a:amazon:ion-c:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-84175 (GCVE-0-2026-84175)

Vulnerability from cvelistv5 – Published: 2026-09-02 09:45 – Updated: 2026-09-02 12:53
VLAI
Summary
In Eclipse Ditto versions 3.0.0 to 3.9.6, the Things service fetches WoT (Web of Things) ThingModels over HTTP from URLs supplied by API users in the definition field of a Thing or Feature, without validating the target host, and follows HTTP redirects without re-validating the redirect target and without a hop limit. An authenticated user who is permitted to create a Thing, or who holds WRITE permission on an existing Thing, can thereby cause the Things service to issue arbitrary HTTP GET requests from inside the deployment's network — including to cloud instance-metadata endpoints and other internal services — and can use the differing error responses returned to the caller to enumerate internal services. Versions 2.4.0 to 2.5.x contain the same code, but are only affected where the operator explicitly enabled the WoT integration feature toggle, which is disabled by default in those versions.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:L/SC:L/SI:N/SA:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-02 12:53 UTC
CWE
  • CWE-918 - Server-Side request forgery (SSRF)
  • CWE-674 - Uncontrolled Recursion
Assigner
References
Impacted products
Vendor Product Version
Eclipse Foundation Eclipse Ditto Affected: 3.9.0 , ≤ 3.9.6 (semver)
Affected: 3.0.0 , ≤ 3.8.12 (semver)
Affected: 2.4.0 , < 3.0.0 (semver)
Create a notification for this product.
Credits
Eclipse Foundation Security Team
Show details on NVD website
To clipboard 

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CVE-2026-82797 (GCVE-0-2026-82797)

Vulnerability from cvelistv5 – Published: 2026-08-31 11:28 – Updated: 2026-08-31 14:27
VLAI
Summary
Uncontrolled Recursion vulnerability in Samsung Open Source rlottie allows Serialized Data with Nested Payloads. This issue affects rlottie: before 8de0d9e6ca80ffef654965505981727b9fa06a51.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 14:27 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
Samsung Open Source rlottie Affected: 0 , < 8de0d9e6ca80ffef654965505981727b9fa06a51 (git)
Create a notification for this product.
Credits
Fatullayev Asadbek
Show details on NVD website
To clipboard 

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CVE-2026-82604 (GCVE-0-2026-82604)

Vulnerability from cvelistv5 – Published: 2026-08-31 02:00 – Updated: 2026-08-31 16:10
VLAI
Title
BareBones BBEdit Java Language recursion
Summary
A flaw has been found in BareBones BBEdit up to 15.5.5. Impacted is an unknown function of the component Java Language Module. This manipulation causes uncontrolled recursion. Remote exploitation of the attack is possible. Upgrading to version 16.0 is recommended to address this issue. You should upgrade the affected component.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C
4.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 16:10 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
BareBones BBEdit Affected: 15.5.0
Affected: 15.5.1
Affected: 15.5.2
Affected: 15.5.3
Affected: 15.5.4
Affected: 15.5.5
Unaffected: 16.0
    cpe:2.3:a:barebones:bbedit:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
ciphersecuritylabs (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-81928 (GCVE-0-2026-81928)

Vulnerability from cvelistv5 – Published: 2026-09-01 23:14 – Updated: 2026-09-02 19:24
VLAI
Title
Net::DNS versions before 1.57 for Perl allow memory exhaustion via unbounded recursion in sig_data when re-encoding a message with a misplaced TSIG record
Summary
Net::DNS versions before 1.57 for Perl allow memory exhaustion via unbounded recursion in sig_data when re-encoding a message with a misplaced TSIG record. sig_data signs a message by re-encoding it, and removes TSIG records only from the additional section. A TSIG decoded into the answer or authority section survives that step and is signed again, so encoding re-enters sig_data with no termination condition. Decoding does not reject such a message: a TSIG that is not the last record on the wire raises "misplaced or corrupt TSIG", but the error is caught, reported as a warning, and the record is left in the packet. RFC 8945 section 5.2 requires the message to be dropped. The recursion is reached only when the decoded TSIG carries an empty MAC, since a MAC recovered from the wire short-circuits the signing step. It is reached only from code that re-encodes a message it decoded, such as a forwarder or a proxy. A decoded message that is never re-encoded is unaffected. Message direction does not matter: a query reaches the same path as a response. Each cycle re-encodes the whole message, so fewer than 100 bytes on the wire exhaust available memory and terminate the process.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-02 19:23 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
Affected: 0 , < 1.57 (custom)
Credits
Naseeb Dangi and Xiang Li from AOSP Lab @ Nankai University
Show details on NVD website
To clipboard 

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CVE-2026-81724 (GCVE-0-2026-81724)

Vulnerability from cvelistv5 – Published: 2026-08-27 14:51 – Updated: 2026-08-27 18:29
VLAI
Title
NLTK before 3.10.3 Denial of Service via Uncontrolled Recursion
Summary
NLTK before 3.10.3 contains an uncontrolled recursion vulnerability in nltk.featstruct.FeatStructReader that allows unauthenticated attackers to cause a denial of service by supplying deeply nested feature-structure input. Attackers can craft trivial payloads with nested brackets that exceed Python's recursion limit and raise an unhandled RecursionError, crashing applications that parse user-supplied feature structures or feature grammars.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-27 18:28 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
nltk nltk Affected: 0 , < 3.10.3 (semver)
Unaffected: 3.10.3 (semver)
    cpe:2.3:a:nltk:nltk:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-12 00:00
Credits
JoshgunAbdullayev
Show details on NVD website
To clipboard 

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CVE-2026-78228 (GCVE-0-2026-78228)

Vulnerability from cvelistv5 – Published: 2026-08-30 11:51 – Updated: 2026-08-31 14:56
VLAI
Title
Unbounded handle_error recursion enables denial of service in AshOban triggers
Summary
Uncontrolled Recursion vulnerability in ash-project ash_oban allows a user who can drive a trigger's on_error action to fail on the final attempt to exhaust worker CPU and memory, denying service. The generated worker's atomic handle_error/4 runs the trigger's on_error action on a job's final attempt inside a rescue that, when the action itself raises, calls handle_error/4 again with the same job. The job's attempt still equals max_attempts, so it re-enters the same clause and re-runs the failing action, with no exit. Any deterministic on_error failure (a data-layer outage, a misconfigured action, or a record the action rejects) loops forever; because the recursive call is not in tail position, each iteration retains a formatted stacktrace and the process heap grows without bound while the failing statement is re-issued against the data layer until the runtime kills the worker. This issue affects ash_oban: from 0.8.0-rc.1 before 0.8.14.
Severity
5.9 (Medium)
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 14:55 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
ash-project ash_oban Affected: 0.8.0-rc.1 , < 0.8.14 (semver)
    cpe:2.3:a:ash-project:ash_oban:*:*:*:*:*:*:*:*
Create a notification for this product.
ash-project ash_oban Affected: 5d117ed2006df7277561c69dbfd39281da6ace9f , < 851cd0e76ed882bf736fc48d10f96d037e26b5f0 (git)
    cpe:2.3:a:ash-project:ash_oban:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Peter Ullrich Peter Ullrich Zach Daniel / Ash Project Jonatan Männchen / EEF
Show details on NVD website
To clipboard 

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    "datePublished": "2026-08-30T11:51:49.621Z",
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CVE-2026-77465 (GCVE-0-2026-77465)

Vulnerability from cvelistv5 – Published: 2026-09-03 20:37 – Updated: 2026-09-04 13:41
VLAI
Title
toml-node: Uncontrolled Recursion
Summary
toml-node is a TOML parser for Node.js and the browser. Prior to 4.2.0, toml.parse() uses a Peggy 5.1.0 generated recursive-descent parser in lib/parser.js whose peg$parsevalue, peg$parsearray, and peg$parseinline_table_entry functions recurse through nested arrays and inline tables without a depth limit. A remote unauthenticated application parsing an attacker-controlled TOML document containing a few thousand nested arrays or inline tables can exhaust the Node.js call stack, raise an unexpected RangeError rather than the parser's SyntaxError, and terminate an unprotected request worker or process. The corresponding grammar source is src/toml.pegjs, where the generated parser must be bounded. This issue is fixed in version 4.2.0.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-04 13:28 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
BinaryMuse toml-node Affected: < 4.2.0
Create a notification for this product.
Show details on NVD website
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Mitigation
Implementation

Ensure that an end condition will be reached under all logic conditions. The end condition may include checking against the depth of recursion and exiting with an error if the recursion goes too deep. The complexity of the end condition contributes to the effectiveness of this action.

Mitigation
Implementation

Increase the stack size.

CAPEC-230: Serialized Data with Nested Payloads

Applications often need to transform data in and out of a data format (e.g., XML and YAML) by using a parser. It may be possible for an adversary to inject data that may have an adverse effect on the parser when it is being processed. Many data format languages allow the definition of macro-like structures that can be used to simplify the creation of complex structures. By nesting these structures, causing the data to be repeatedly substituted, an adversary can cause the parser to consume more resources while processing, causing excessive memory consumption and CPU utilization.

CAPEC-231: Oversized Serialized Data Payloads

An adversary injects oversized serialized data payloads into a parser during data processing to produce adverse effects upon the parser such as exhausting system resources and arbitrary code execution.

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