Common Weakness Enumeration

CWE-209

Allowed

Generation 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.

891 vulnerabilities reference this CWE, most recent first.

CVE-2026-59943 (GCVE-0-2026-59943)

Vulnerability from cvelistv5 – Published: 2026-07-28 20:19 – Updated: 2026-07-29 12:37

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

6.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-29 12:37 UTC

CWE

CWE-209 - Generation of Error Message Containing Sensitive Information

Assigner

GitHub_M mitre root

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

Impacted products

1 product

Vendor	Product	Version
dompdf	dompdf	Affected: < 3.1.6

Show details on NVD website

JSON

To clipboard

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CVE-2026-56620 (GCVE-0-2026-56620)

Vulnerability from cvelistv5 – Published: 2026-08-10 15:58 – Updated: 2026-08-10 16:58

Title

HCL BigFix Mobile is vulnerable to information disclosure

Summary

HCL BigFix Mobile is vulnerable to information disclosure due to improper handling of exceptions and verbose error reporting.

Severity

4.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-10 16:58 UTC

CWE

CWE-209 - Generation of error message containing sensitive information

Assigner

HCL mitre root

References

1 reference

URL	Tags
https://support.hcl-software.com/csm?id=kb_articl…

Impacted products

1 product

Vendor	Product	Version
HCLSoftware	HCL BigFix Mobile	Affected: <=3.6

Date Public

2026-08-10 14:20

Show details on NVD website

JSON

To clipboard

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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

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

3.7 (Low)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-31 17:40 UTC

CWE

CWE-209 - Generation of Error Message Containing Sensitive Information

Assigner

HCL mitre root

References

1 reference

URL	Tags
https://support.hcl-software.com/csm?id=kb_articl…

Impacted products

1 product

Vendor	Product	Version
HCL Software	HCL iControl	Affected: 4.3.0 and 4.4.0

Show details on NVD website

JSON

To clipboard

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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

Title

HCL iControl is affected by multiple security vulnerabilities.

Summary

HCL iControl was affected by Information Exposure Through Verbose Client-Side API Error Messages vulnerabilities. It involves application displays raw server/API error messages to users instead of generic error messages and exposes internal endpoint names, request parameters, error codes, and authentication status

Severity

3.7 (Low)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-31 17:43 UTC

CWE

CWE-209 - Generation of Error Message Containing Sensitive Information

Assigner

HCL mitre root

References

1 reference

URL	Tags
https://support.hcl-software.com/csm?id=kb_articl…

Impacted products

1 product

Vendor	Product	Version
HCL Software	HCL iControl	Affected: 4.3.0 and 4.4.0

Show details on NVD website

JSON

To clipboard

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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

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

3.5 (Low)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-27 15:44 UTC

CWE

CWE-209 - Generation of error message containing sensitive information

Assigner

HCL mitre root

References

1 reference

URL	Tags
https://support.hcl-software.com/csm?id=kb_articl…

Impacted products

1 product

Vendor	Product	Version
HCLSoftware	Connections	Affected: 8.0

Show details on NVD website

JSON

To clipboard

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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

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

6.9 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-01 14:42 UTC

CWE

CWE-209 - Generation of Error Message Containing Sensitive Information

Assigner

VulnCheck mitre root

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

1 product

Vendor	Product	Version
Capgo	Capgo	Affected: 0 , < 12.128.2 (semver) Unaffected: 12.128.2 (semver)

Date Public

2026-03-03 00:00

Credits

Judel777

Show details on NVD website

JSON

To clipboard

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CVE-2026-56139 (GCVE-0-2026-56139)

Vulnerability from cvelistv5 – Published: 2026-07-06 08:15 – Updated: 2026-07-06 20:55

Title

Apache Camel Undertow: The muteException consumer option defaulted to false, so a processing error returned the full Java stack trace in the HTTP response body, disclosing sensitive internal information to unauthenticated clients

Summary

Generation of Error Message Containing Sensitive Information vulnerability in Apache Camel Undertow Component. The camel-undertow HTTP server consumer exposes a muteException option that controls what is returned to the client when a route processing error occurs. This option defaulted to false, whereas the other Camel HTTP server components (camel-http / camel-jetty / camel-servlet and camel-platform-http) default it to true. With muteException=false, when a request triggers an exception during route processing the consumer writes the full Throwable stack trace into the HTTP response body as text/plain instead of returning an empty body. Any unauthenticated client that can reach the endpoint and cause a processing error - for example by sending a malformed request body, an invalid parameter, or otherwise triggering a route-internal failure - therefore receives a complete Java stack trace. Such a stack trace can disclose sensitive internal information, including credentials embedded in exception messages, internal host names and IP addresses, filesystem paths, dependency and version details, database and class names, and the application's internal structure, which an attacker can use to plan further attacks. In addition, for Rest DSL consumers the muteException option was not honoured at all: the RestUndertowHttpBinding was created with a hard-coded false, so the stack trace was returned even when muteException=true had been configured. This issue affects Apache Camel: from 4.0.0 before 4.14.8, from 4.15.0 before 4.18.3, from 4.19.0 before 4.21.0. Users are recommended to upgrade to version 4.21.0, which fixes the issue. If users are on the 4.14.x LTS releases stream, then they are suggested to upgrade to 4.14.8. If users are on the 4.18.x releases stream, then they are suggested to upgrade to 4.18.3. For deployments that cannot upgrade immediately, set muteException=true explicitly on the camel-undertow consumer (for example undertow: http://0.0.0.0:8080/api?muteException=true , or globally via the camel.component.undertow.mute-exception=true property), so that processing errors no longer return the stack trace to the client; note that on affected releases this workaround does not cover Rest DSL consumers, whose binding ignores the option until the fix is applied.

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-06 20:55 UTC

CWE

CWE-209 - Generation of Error Message Containing Sensitive Information

Assigner

apache mitre root

References

2 references

URL	Tags
https://camel.apache.org/security/CVE-2026-56139.html	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/0…

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache Camel Undertow	Affected: 4.0.0 , < 4.14.8 (semver) Affected: 4.15.0 , < 4.18.3 (semver) Affected: 4.19.0 , < 4.21.0 (semver)

Credits

Yu Bao from PayPal Andrea Cosentino

Show details on NVD website

JSON

To clipboard

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CVE-2026-53906 (GCVE-0-2026-53906)

Vulnerability from cvelistv5 – Published: 2026-07-01 11:58 – Updated: 2026-07-01 13:39

Title

Path Disclosure and Path Traversal in MCO

Summary

MCO is vulnerable to Path Disclosure and Path Traversal in file handling functionality related to data export and upload. Improper validation of the filename parameter allows writing files to arbitrary locations as well as indirect disclosure of absolute server paths through error messages. Because vendor contact attempts were unsuccessful, the vulnerability has only been confirmed in version 25.3.3.1 but may also affect other versions.

Severity

5.1 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-01 13:39 UTC

CWE

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-209 - Generation of Error Message Containing Sensitive Information

Assigner

CERT-PL ENISA root

References

2 references

URL	Tags
https://cert.pl/en/posts/2026/07/CVE-2026-53902	third-party-advisory
https://mco.mycomplianceoffice.com/	product

Impacted products

1 product

Vendor	Product	Version
MyComplianceOffice	MCO	Affected: 25.3.3.1 (custom)

Credits

Hubert Decyusz (AFINE Team)

Show details on NVD website

JSON

To clipboard

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CVE-2026-53458 (GCVE-0-2026-53458)

Vulnerability from cvelistv5 – Published: 2026-08-18 20:47 – Updated: 2026-08-19 13:37

Title

Blueprint Studio API exposed internal exception details

Summary

Blueprint Studio is a VS Code-like file editor for Home Assistant configuration files. Prior to 2.5.2, Blueprint Studio backend API handlers in custom_components/blueprint_studio/backend/api.py returned raw exception strings to authenticated Home Assistant users. Some exception messages could contain internal filesystem paths or implementation details. The disclosed information could help an authenticated user fingerprint a Home Assistant installation and refine follow-up attacks. This issue is fixed in version 2.5.2.

Severity

5.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-19 13:37 UTC

CWE

CWE-209 - Generation of Error Message Containing Sensitive Information

Assigner

GitHub_M mitre root

References

3 references

URL	Tags
https://github.com/ha-china/blueprint-studio/secu…	x_refsource_CONFIRM
https://github.com/ha-china/blueprint-studio/comm…	x_refsource_MISC
https://github.com/ha-china/blueprint-studio/rele…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
ha-china	blueprint-studio	Affected: < 2.5.2

Show details on NVD website

JSON

To clipboard

{
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CVE-2026-49979 (GCVE-0-2026-49979)

Vulnerability from cvelistv5 – Published: 2026-06-24 21:38 – Updated: 2026-06-26 18:43

Title

Appsmith: SSRF via `POST /api/v1/admin/send-test-email` — JavaMail Bypasses WebClient IP Filter

Summary

Appsmith is a platform to build admin panels, internal tools, and dashboards. Prior to 1.99, the POST /api/v1/admin/send-test-email endpoint accepts attacker-controlled smtpHost and smtpPort values and establishes a raw JavaMail TCP connection without any IP validation. This completely bypasses WebClientUtils.IP_CHECK_FILTER, which only applies to Spring WebClient HTTP requests. Additionally, the raw MailException.getMessage() is returned verbatim in the API error response, enabling error-based internal port scanning and service banner enumeration. This vulnerability is fixed in 1.99.

Severity

5.1 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-26 17:51 UTC

CWE

CWE-209 - Generation of Error Message Containing Sensitive Information
CWE-918 - Server-Side Request Forgery (SSRF)

Assigner

GitHub_M mitre root

References

1 reference

URL	Tags
https://github.com/appsmithorg/appsmith/security/…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
appsmithorg	appsmith	Affected: < 1.99

Show details on NVD website

JSON

To clipboard

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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.

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