CVE-2026-13707High· 7.6▾ TwilightSession 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.
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.8 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Jul 13.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.3%
0.3% → 0.3%
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.
mediawiki >= 1.43.0, < 1.43.9mediawiki >= 1.44.0, < 1.44.6mediawiki >= 1.45.0, < 1.45.4mediawiki = 1.46.0Upgrade past the affected range:
mediawiki 1.45.4Connected by shared product, vendor, weakness, or advisory.
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