CVE-2026-58029

MEDIUM

Full Account Takeover from BotPasswords and OAuth via action=changeauthenticationdata

Title source: cna

Description

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.

References (1)

Core 1

Core References

https://phabricator.wikimedia.org/T422676

Scores

CVSS v3 6.5

EPSS 0.0035

EPSS Percentile 27.2%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-287

Status published

Products (3)

mediawiki/mediawiki 1.46.0 rc0

mediawiki/mediawiki 1.43.0 - 1.43.9

Wikimedia Foundation/MediaWiki < 1.46.0, 1.45.4, 1.44.6, 1.43.9

Published Jul 01, 2026

Tracked Since Jul 01, 2026