Vulnerability in Wikimedia Foundation MediaWiki Affecting Multiple Versions
CVE-2025-6591

4.7NONE

Key Information:

Vendor

Wikimedia Foundation

Status
Mediawiki
Vendor
CVE Published:
2 February 2026

What is CVE-2025-6591?

A vulnerability has been identified in Wikimedia Foundation's MediaWiki, specifically impacting the API feed contributions in core program files. This flaw occurs in versions prior to 1.39.13 and other specified releases, potentially allowing unauthorized actions or data exposure. It is imperative for users of affected versions to implement updates to mitigate risks and enhance overall system security. For detailed information, see further documentation provided by the Wikimedia team.

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Affected Version(s)

MediaWiki * < 1.39.13, 1.42.7 1.43.2, 1.44.0

References

https://phabricator.wikimedia.org/T392276

CVSS V4

Score:
Severity:
NONE
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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