CVE-2026-58029mediumCWE-287

CVE-2026-58029: medium-severity vulnerability in Wikimedia Foundation MediaWiki

Full Account Takeover from BotPasswords and OAuth via action=changeauthenticationdata

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.3epss 0.4%
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Api/ApiChangeAuthenticationData.Php, includes/Api/ApiLinkAccount.Php, includes/Api/ApiRemoveAuthenticationData.Php, includes/Specials/SpecialLinkAccounts.Php, includes/Specials/SpecialUnlinkAccounts.Php. This issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Affected products
Wikimedia Foundation · MediaWiki
Related CVEs — Wikimedia Foundation MediaWiki

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