Common Weakness Enumeration
CWE-209
AllowedGeneration of Error Message Containing Sensitive Information
Abstraction: Base · Status: Draft
The product generates an error message that includes sensitive information about its environment, users, or associated data.
866 vulnerabilities reference this CWE, most recent first.
CVE-2026-69247 (GCVE-0-2026-69247)
Vulnerability from cvelistv5 – Published: 2026-08-03 21:16 – Updated: 2026-08-04 14:09
VLAI
EPSS
VEX
Title
cryptography: PKCS#7 EnvelopedData decryption exposes a Bleichenbacher oracle through distinguishable errors and timing
Summary
cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. From 44.0.0 until 50.0.0, pkcs7_decrypt_der, pkcs7_decrypt_pem, and pkcs7_decrypt_smime reported the outcome of decrypting a RecipientInfo's encryptedKey in several distinguishable ways, one of which disclosed the exact length recovered from the RSA operation. The same distinction was also observable by timing. An application that decrypts attacker-supplied EnvelopedData and reflects the outcome gives the attacker a Bleichenbacher oracle against the content-encryption key. Decryption ran as RSA PKCS#1 v1.5 decrypt of encryptedKey, build an AES cipher from the result, then AES-CBC decrypt and PKCS#7 unpad. Invalid RSA padding, a valid padding with a bad key length, a correct length with a wrong key, and the real key each failed or succeeded differently. Case 1 is reachable only where the linked library lacks implicit rejection: OpenSSL 3.0 and 3.1, LibreSSL, and BoringSSL. Exploitation requires a service that auto-decrypts untrusted EnvelopedData matching the victim certificate and answers adaptively at high volume, such as an S/MIME gateway or mail filter. This issue is fixed in 50.0.0.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/pyca/cryptography/security/adv… | x_refsource_CONFIRM |
| https://github.com/pyca/cryptography/pull/15369 | x_refsource_MISC |
| https://github.com/pyca/cryptography/commit/53fcc… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| pyca | cryptography |
Affected:
>= 44.0.0, < 50.0.0
|
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CVE-2026-66009 (GCVE-0-2026-66009)
Vulnerability from cvelistv5 – Published: 2026-07-24 12:07 – Updated: 2026-07-28 01:06
VLAI
EPSS
VEX
Title
Parse Server 9.0.0 Information Disclosure via GraphQL Error Messages
Summary
Parse Server versions >= 9.0.0 before 9.10.0-alpha.5 and >= 8.2.2 before 8.6.86 return GraphQL validation error messages that name required custom input fields even when public introspection is disabled (graphQLPublicIntrospection: false, the default). A client holding only the public application id — with no user session, master key, or maintenance key — can trigger validation errors to learn the names of required (non-null) custom fields on classes it already references by name, partially defeating the schema-hiding intent of disabling public introspection. No stored data, credentials, optional field names, unreferenced class names, or Cloud Code function names are exposed.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-209 - Generation of Error Message Containing Sensitive Information
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/parse-community/parse-server/s… | vendor-advisory |
| https://www.vulncheck.com/advisories/parse-server… | third-party-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| parse-community | parse-server |
Affected:
9.0.0 , < 9.10.0-alpha.5
(semver)
Unaffected: 9.10.0-alpha.5 (semver) |
|
| parse-community | parse-server |
Affected:
8.2.2 , < 8.6.86
(semver)
Unaffected: 8.6.86 (semver) |
Date Public
2026-07-10 00:00
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CVE-2026-66008 (GCVE-0-2026-66008)
Vulnerability from cvelistv5 – Published: 2026-07-24 12:07 – Updated: 2026-07-28 01:06
VLAI
EPSS
VEX
Title
Parse Server 9.0.0 Information Disclosure via GraphQL Error Messages
Summary
Parse Server versions >= 9.0.0 before 9.10.0-alpha.6 and >= 8.2.2 before 8.6.87 disclose Pointer and Relation target class names through GraphQL validation and input-coercion error messages when public schema introspection is disabled (graphQLPublicIntrospection: false, the default). Because these errors are produced before authentication, authorization, or any resolver runs, an unauthenticated client possessing only the public application ID can trigger errors on Pointer or Relation fields to reconstruct hidden schema class names, partially defeating the schema-hiding protection. Only schema metadata (class names) is exposed; no object data, credentials, or user records are disclosed.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-209 - Generation of Error Message Containing Sensitive Information
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/parse-community/parse-server/s… | vendor-advisory |
| https://www.vulncheck.com/advisories/parse-server… | third-party-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| parse-community | parse-server |
Affected:
9.0.0 , < 9.10.0-alpha.6
(semver)
Unaffected: 9.10.0-alpha.6 (semver) |
|
| parse-community | parse-server |
Affected:
8.2.2 , < 8.6.87
(semver)
Unaffected: 8.6.87 (semver) |
Date Public
2026-07-10 00:00
Credits
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CVE-2026-64627 (GCVE-0-2026-64627)
Vulnerability from cvelistv5 – Published: 2026-07-21 11:39 – Updated: 2026-07-28 01:05
VLAI
EPSS
VEX
Title
Parse Server 9.0.0 Schema Disclosure via GraphQL Variable Coercion
Summary
Parse Server versions >= 9.0.0 before 9.10.0-alpha.4 and versions before 8.6.85 contain a schema disclosure vulnerability. When the GraphQL API is mounted with public introspection disabled (graphQLPublicIntrospection: false, the default), schema-derived 'Did you mean ...?' suggestions were still returned in GraphQL error messages produced during variable coercion, which were not covered by the introspection-hardening control (that only handled validation errors). An unauthenticated caller possessing only the public application id can iteratively recover hidden schema identifiers — including registered Cloud Code function names and Parse class and field names — by submitting queries or mutations whose variables contain near-miss enum values or input-object field names. This is a follow-up bypass of GHSA-8cph-rgr4-g5vj. The issue is fixed in 9.10.0-alpha.4 and 8.6.85.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-209 - Generation of Error Message Containing Sensitive Information
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/parse-community/parse-server/s… | vendor-advisory |
| https://www.vulncheck.com/advisories/parse-server… | third-party-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| parse-community | parse-server |
Affected:
9.0.0 , < 9.10.0-alpha.4
(semver)
Unaffected: 9.10.0-alpha.4 (semver) |
|
| parse-community | parse-server |
Affected:
0 , < 8.6.85
(semver)
Unaffected: 8.6.85 (semver) |
Date Public
2026-07-08 00:00
Credits
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CVE-2026-63748 (GCVE-0-2026-63748)
Vulnerability from cvelistv5 – Published: 2026-07-20 12:04 – Updated: 2026-07-28 01:05
VLAI
EPSS
VEX
Title
SurrealDB before 3.1.0 Information Disclosure via Error Messages
Summary
SurrealDB versions before 3.1.0 contain an information disclosure vulnerability where authenticated users with UPDATE access can read field values hidden by field-level SELECT permissions through error messages. Attackers can trigger arithmetic or extend operations on hidden fields to embed raw operand values in error responses, bypassing field-level access controls.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-209 - Generation of Error Message Containing Sensitive Information
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/surrealdb/surrealdb/security/a… | vendor-advisory |
| https://www.vulncheck.com/advisories/surrealdb-be… | third-party-advisory |
Impacted products
Date Public
2026-05-27 00:00
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CVE-2026-59943 (GCVE-0-2026-59943)
Vulnerability from cvelistv5 – Published: 2026-07-28 20:19 – Updated: 2026-07-29 12:37
VLAI
EPSS
VEX
Title
Dompdf: Embedded SVG images can leak existence of files and directories within the filesystem
Summary
Dompdf is an HTML to PDF converter for PHP. In versions 3.15 and prior, if a malicious actor can supply unrestricted content for rendering by Dompdf they can utilize the SVG rendering functionality to leak filesystem information when rendering PDF files using image references within a data-URI encoded SVG document. Using an <image> element inside a data-URI embedded SVG, an attacker can attempt to embed other files via the href or xlink:href attributes. When processing a file that does not exist (e.g. file:///DOESNOTEXIST), dompdf behaves differently than it does when accessing a file or directory that actually exists on the filesystem. This issue has been fixed in version 3.16.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-209 - Generation of Error Message Containing Sensitive Information
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/dompdf/dompdf/security/advisor… | x_refsource_CONFIRM |
| https://github.com/dompdf/dompdf/commit/6a5899686… | x_refsource_MISC |
| https://github.com/dompdf/dompdf/releases/tag/v3.1.6 | x_refsource_MISC |
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CVE-2026-56571 (GCVE-0-2026-56571)
Vulnerability from cvelistv5 – Published: 2026-07-31 15:13 – Updated: 2026-07-31 17:40
VLAI
EPSS
VEX
Title
HCL iControl is affected by multiple security vulnerabilities.
Summary
HCL iControl was affected by Improper Error Handling vulnerabilities. It involves Out of memory, null pointer exceptions, system call failure, database unavailable, network timeout, and hundreds of other common conditions can cause errors to be generated.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-209 - Generation of Error Message Containing Sensitive Information
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| HCL Software | HCL iControl |
Affected:
4.3.0 and 4.4.0
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CVE-2026-56568 (GCVE-0-2026-56568)
Vulnerability from cvelistv5 – Published: 2026-07-31 14:54 – Updated: 2026-07-31 17:43
VLAI
EPSS
VEX
Title
HCL iControl is affected by multiple security vulnerabilities.
Summary
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Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-209 - Generation of Error Message Containing Sensitive Information
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
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| HCL Software | HCL iControl |
Affected:
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CVE-2026-56537 (GCVE-0-2026-56537)
Vulnerability from cvelistv5 – Published: 2026-07-27 11:51 – Updated: 2026-07-27 15:44
VLAI
EPSS
VEX
Title
HCL Connections is vulnerable to information disclosure
Summary
HCL Connections is vulnerable to information disclosure which could allow a user to obtain sensitive information they are not entitled to, caused by improper handling of request data.they are not entitled to, caused by improper handling of request data.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-209 - Generation of error message containing sensitive information
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| HCLSoftware | Connections |
Affected:
8.0
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CVE-2026-56331 (GCVE-0-2026-56331)
Vulnerability from cvelistv5 – Published: 2026-06-30 22:08 – Updated: 2026-07-01 14:42
VLAI
EPSS
VEX
Title
Capgo - Improper Error Handling in Accept Invitation Endpoint via Invalid Magic String
Summary
Capgo before 12.128.2 contains improper error handling in the /private/accept_invitation endpoint that returns HTTP 500 instead of safe 4xx errors when magic_invite_string is invalid. Attackers can trigger this vulnerability using only the public key by submitting malformed magic_invite_string values to cause server errors and leak internal processing details.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-209 - Generation of Error Message Containing Sensitive Information
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/Cap-go/capgo/security/advisori… | vendor-advisory |
| https://www.vulncheck.com/advisories/capgo-improp… | third-party-advisory |
Impacted products
Date Public
2026-03-03 00:00
Credits
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Mitigation MIT-39
Implementation
- Ensure that error messages only contain minimal details that are useful to the intended audience and no one else. The messages need to strike the balance between being too cryptic (which can confuse users) or being too detailed (which may reveal more than intended). The messages should not reveal the methods that were used to determine the error. Attackers can use detailed information to refine or optimize their original attack, thereby increasing their chances of success.
- If errors must be captured in some detail, record them in log messages, but consider what could occur if the log messages can be viewed by attackers. Highly sensitive information such as passwords should never be saved to log files.
- Avoid inconsistent messaging that might accidentally tip off an attacker about internal state, such as whether a user account exists or not.
Mitigation
Implementation
Handle exceptions internally and do not display errors containing potentially sensitive information to a user.
Mitigation MIT-33
Implementation
Strategy: Attack Surface Reduction
Use naming conventions and strong types to make it easier to spot when sensitive data is being used. When creating structures, objects, or other complex entities, separate the sensitive and non-sensitive data as much as possible.
Mitigation MIT-40
Implementation
Build and Compilation
Strategy: Compilation or Build Hardening
Debugging information should not make its way into a production release.
Mitigation MIT-40
Implementation
Build and Compilation
Strategy: Environment Hardening
Debugging information should not make its way into a production release.
Mitigation
System Configuration
Where available, configure the environment to use less verbose error messages. For example, in PHP, disable the display_errors setting during configuration, or at runtime using the error_reporting() function.
Mitigation
System Configuration
Create default error pages or messages that do not leak any information.
CAPEC-215: Fuzzing for application mapping
An attacker sends random, malformed, or otherwise unexpected messages to a target application and observes the application's log or error messages returned. The attacker does not initially know how a target will respond to individual messages but by attempting a large number of message variants they may find a variant that trigger's desired behavior. In this attack, the purpose of the fuzzing is to observe the application's log and error messages, although fuzzing a target can also sometimes cause the target to enter an unstable state, causing a crash.
CAPEC-463: Padding Oracle Crypto Attack
An adversary is able to efficiently decrypt data without knowing the decryption key if a target system leaks data on whether or not a padding error happened while decrypting the ciphertext. A target system that leaks this type of information becomes the padding oracle and an adversary is able to make use of that oracle to efficiently decrypt data without knowing the decryption key by issuing on average 128*b calls to the padding oracle (where b is the number of bytes in the ciphertext block). In addition to performing decryption, an adversary is also able to produce valid ciphertexts (i.e., perform encryption) by using the padding oracle, all without knowing the encryption key.
CAPEC-54: Query System for Information
An adversary, aware of an application's location (and possibly authorized to use the application), probes an application's structure and evaluates its robustness by submitting requests and examining responses. Often, this is accomplished by sending variants of expected queries in the hope that these modified queries might return information beyond what the expected set of queries would provide.
CAPEC-7: Blind SQL Injection
Blind SQL Injection results from an insufficient mitigation for SQL Injection. Although suppressing database error messages are considered best practice, the suppression alone is not sufficient to prevent SQL Injection. Blind SQL Injection is a form of SQL Injection that overcomes the lack of error messages. Without the error messages that facilitate SQL Injection, the adversary constructs input strings that probe the target through simple Boolean SQL expressions. The adversary can determine if the syntax and structure of the injection was successful based on whether the query was executed or not. Applied iteratively, the adversary determines how and where the target is vulnerable to SQL Injection.