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Servers and applications

CVE-2026-13707

Session fixation vulnerability in Wikimedia Foundation OAuth. This vulnerability is associated with program files src/Backend/MWOAuthServer.Php. This issue affects OAuth: from * through 1.46.0, 1.45.4, 1.44.6, 1.43.9.

Severity
Unrated
Published
1 Jul 2026
Last changed
13 Jul 2026
Added to UpHeron
21 Oct 2026
Fixed in
1.43.9, 1.44.6, 1.45.4
Sources
NVD

Affected software

SoftwareAffected versions
MediaWikiServers and applications · cpe:a:mediawiki:mediawiki
  • From 1.43.0 before 1.43.9
  • From 1.44.0 before 1.44.6
  • From 1.45.0 before 1.45.4
  • Version 1.46.0-rc0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-13707
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-13707