High
WikiLambda exposes anonymous execution of unsaved Abstract Wikipedia fragments
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.
Announced Group revision 1
Original source ↗CVE-2026-103446
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-103446
MediaWiki WikiLambda extension
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://gerrit.wikimedia.org/r/mediawiki/extensions/WikiLambda",
"vendor": "The Wikimedia Foundation",
"product": "MediaWiki WikiLambda extension",
"versions": [
{
"status": "affected",
"version": "1.46"
}
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-103446
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #9509 · Revision 1
- Added to Heist Feed
- Publisher date