7.6

CVE-2026-13707

Session fixation attacks on improperly configured OAuth 1.0a tools

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Mediawiki ≫ Mediawiki Version >= 1.43.0 < 1.43.9
Mediawiki ≫ Mediawiki Version >= 1.44.0 < 1.44.6
Mediawiki ≫ Mediawiki Version >= 1.45.0 < 1.45.4
Mediawiki ≫ Mediawiki Version1.46.0 Updaterc0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.24% 0.151
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.6 2.1 5.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L
c4f26cc8-17ff-4c99-b5e2-38fc1793eacc 0 0 0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE-384 Session Fixation

Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions.

https://phabricator.wikimedia.org/T428324
Permissions Required