CVE-2026-58027: Exposure of Sensitive Information to an Unauthorized Actor

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation AbuseFilter. This vulnerability is associated with program files includes/Api/QueryAbuseFilters.Php. This issue affects AbuseFilter: from before 1.46.0, 1.45.4, 1.44.6, 1.43.9...

CVE-2026-13707: Session Fixation

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...

CVE-2026-13706: Improper Input Validation

Improper input validation vulnerability in Wikimedia Foundation UrlShortener. This vulnerability is associated with program files includes/UrlShortenerUtils.Php...

CVE-2026-58034: Improper Neutralization of Input During Web Page Generation

Improper Neutralization of Input During Web Page Generation XSS or 'Cross-site Scripting' vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files modules/ext.CheckUser.TempAccounts/components/blockConnectedTempAccountsField.Vue. This issue affects...

PT-2026-54907

Improper Neutralization of Input During Web Page Generation XSS or 'Cross-site Scripting' vulnerability in Wikimedia Foundation timeline. This vulnerability is associated with program files includes/Timeline.Php, scripts/EasyTimeline.Pl. This issue affects timeline: from before 1.46.0, 1.45.4,...

PT-2026-54635

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...

PT-2026-54646

Name of the Vulnerable Software and Affected Versions Mediawiki - Charts Extension versions prior to 1.43.9 Mediawiki - Charts Extension versions prior to 1.44.6 Mediawiki - Charts Extension versions prior to 1.45.4 Description Improper neutralization of input during web page generation allows fo...

PT-2026-54634

Name of the Vulnerable Software and Affected Versions Wikimedia Foundation UrlShortener affected versions not specified Description Improper input validation occurs within the includes/UrlShortenerUtils.Php file. Input validation is the process of ensuring that a program operates on clean, correc...

CVE-2026-8857: Improper Control of Generation of Code

A vulnerability in Wikimedia Foundation timeline. This vulnerability is associated with program files scripts/EasyTimeline.Pl, includes/Timeline.Php. This issue affects timeline: from before 1.46.0, 1.45.4, 1.44.6, 1.43.9...

CVE-2026-34089

Vulnerability in Wikimedia Foundation Scribunto. This issue affects Scribunto: from 1.45.0 before 1.45.2...

CVE-2026-5266

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Echo. This vulnerability is associated with program files includes/Api/ApiEchoNotifications.Php. This issue affects Echo: from before 1.43.7, 1.44.4, 1.45.2...

CVE-2026-34090

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation CheckUser. This issue affects CheckUser: from 1.45.0 before 1.45.2...

CVE-2026-39839

Improper neutralization of Script-Related HTML tags in a web page basic XSS vulnerability in Wikimedia Foundation Mediawiki - Cargo Extension allows Stored XSS.This issue affects Mediawiki - Cargo Extension: before 3.8.7...

EUVD-2026-29157

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Echo. This vulnerability is associated with program files includes/Api/ApiEchoNotifications.Php. This issue affects Echo: from before 1.43.7, 1.44.4, 1.45.2...

EUVD-2026-29108

Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Page/Article.Php. This issue affects MediaWiki: from before 1.43.7, 1.44.4, 1.45.2...

EUVD-2026-29062

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation CheckUser. This issue affects CheckUser: from 1.45.0 before 1.45.2...

EUVD-2026-29061

Vulnerability in Wikimedia Foundation Scribunto. This issue affects Scribunto: from 1.45.0 before 1.45.2...

EUVD-2026-29060

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This issue affects MediaWiki: from before 1.43.7, 1.44.4, 1.45.2...

EUVD-2026-29058

Vulnerability in Wikimedia Foundation AbuseFilter. This issue affects AbuseFilter: from before 1.43.7, 1.44.4, 1.45.2...

CVE-2026-5266

CVE-2026-5266 affects Wikimedia Foundation Echo, specifically the includes/Api/ApiEchoNotifications.Php component. The vulnerability allows exposure of sensitive information to an unauthorized actor and affects Echo versions before 1.43.7, 1.44.4, and 1.45.2. The Debian advisory notes the issue c...