CVE-2026-103442: CWE-15 External control of system or configuration setting in The Wikimedia Foundation MediaWiki CentralAuth extension
CVE-2026-103442 is a high-severity vulnerability in The Wikimedia Foundation MediaWiki CentralAuth extension versions 1.43, 1.45, and 1.46. It involves external control of system or configuration settings, which can lead to code injection. The vulnerability requires high privileges and user interaction to exploit and has a complex attack vector. No explicit patch or remediation details are provided in the available data.
AI Analysis
Technical Summary
The MediaWiki CentralAuth extension versions 1.43, 1.45, and 1.46 contain a CWE-15 vulnerability that allows external control of system or configuration settings, resulting in potential code injection. The CVSS 4.0 score is 7.2, indicating a high severity. The attack vector is network-based but requires high attack complexity, privileges, and user interaction. The vulnerability impacts confidentiality, integrity, and availability with high scope impact. No vendor advisory or patch information is provided.
Potential Impact
Successful exploitation could allow an attacker with high privileges and user interaction to inject code via external control of system or configuration settings in the CentralAuth extension. This can compromise system confidentiality, integrity, and availability. However, exploitation requires complex conditions and elevated privileges.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, administrators should monitor for updates from The Wikimedia Foundation and apply any official fixes once available. Until then, restrict access to high-privilege accounts and limit user interactions that could trigger this vulnerability.
CVE-2026-103442: CWE-15 External control of system or configuration setting in The Wikimedia Foundation MediaWiki CentralAuth extension
Description
CVE-2026-103442 is a high-severity vulnerability in The Wikimedia Foundation MediaWiki CentralAuth extension versions 1.43, 1.45, and 1.46. It involves external control of system or configuration settings, which can lead to code injection. The vulnerability requires high privileges and user interaction to exploit and has a complex attack vector. No explicit patch or remediation details are provided in the available data.
CVSS v4.0
Score 7.2high
Affected software
The Wikimedia Foundation
MediaWiki CentralAuth extension
pkg:github/wikimedia/mediawiki-extensions-CentralAuthRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The MediaWiki CentralAuth extension versions 1.43, 1.45, and 1.46 contain a CWE-15 vulnerability that allows external control of system or configuration settings, resulting in potential code injection. The CVSS 4.0 score is 7.2, indicating a high severity. The attack vector is network-based but requires high attack complexity, privileges, and user interaction. The vulnerability impacts confidentiality, integrity, and availability with high scope impact. No vendor advisory or patch information is provided.
Potential Impact
Successful exploitation could allow an attacker with high privileges and user interaction to inject code via external control of system or configuration settings in the CentralAuth extension. This can compromise system confidentiality, integrity, and availability. However, exploitation requires complex conditions and elevated privileges.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, administrators should monitor for updates from The Wikimedia Foundation and apply any official fixes once available. Until then, restrict access to high-privilege accounts and limit user interactions that could trigger this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- wikimedia-foundation
- Date Reserved
- 2026-09-30T15:41:01.270Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6abd368b2a4e24523d3a8d1e
Added to database: 09/30/2026, 16:19:23 UTC
Last enriched: 09/30/2026, 17:34:08 UTC
Last updated: 09/30/2026, 22:54:25 UTC
Views: 6
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