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.

Score

CVSS 3.1 7.6 High

Status

Analyzed - c4f26cc8-17ff-4c99-b5e2-38fc1793eacc

Published

2026-07-01

Last modified

2026-10-25

Weaknesses

CWE-384

Affected products

• Mediawiki (Mediawiki)
• Oauth (Wikimedia Foundation)

References

• https://phabricator.wikimedia.org/T428324