CVE-2026-103446High· 7.4▾ MidnightPoC availableAuthorization bypass through User-Controlled key vulnerability in The Wikimedia Foundation MediaWiki WikiLambda extension allows Authentication Bypass. This issue affects MediaWiki WikiLambda extension: 1.46.
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 40.7 · likelihood 0.1 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Public exploit / PoC code seen in 1 source. Availability, not in-the-wild use.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Oct 1.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.4%
1 GitHub repo
Last analysed / modified upstream
Authorization bypass through User-Controlled key vulnerability in The Wikimedia Foundation MediaWiki WikiLambda extension allows Authentication Bypass.
This issue affects MediaWiki WikiLambda extension: 1.46.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-103585Low· 1.2Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki MediaSearch extension allows Cross-Site Scripting (XSS). This issue affects MediaWiki MediaSearch extensio…
CVE-2026-103584Low· 1.1Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki CommonsMetadata extension allows Cross-Site Scripting (XSS). This issue affects MediaWiki CommonsMetadata …
CVE-2026-103445Low· 1.2Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki Page_Forms extension allows Stored XSS. This issue affects MediaWiki Page_Forms extension: 1.46, 1.45, and…
CVE-2026-103437Low· 1.1Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki ReadingLists extension allows Reflected XSS. This issue affects MediaWiki ReadingLists extension: 1.46 and…
CVE-2026-103440Low· 1.2Exposure of sensitive information through data queries vulnerability in The Wikimedia Foundation MediaWiki PageTriage extension allows Information Elicitation. This issue affects MediaWiki PageTriage extension: 1.46, 1.45, and 1.43.
CVE-2026-103442High· 7.2External control of system or configuration setting vulnerability in The Wikimedia Foundation MediaWiki CentralAuth extension allows Code Injection. This issue affects MediaWiki CentralAuth extension: 1.46, 1.45, and 1.43.