High
Unauthenticated arbitrary file deletion through Wikibase serialized entity parsing
Deserialization of untrusted data vulnerability in The Wikimedia Foundation MediaWiki Wikibase extension allows Leverage Executable Code in Non-Executable Files. This issue affects MediaWiki Wikibase extension: 1.46, 1.45, and 1.43.
Announced Source revision 1
Original source ↗CVE-2026-103441
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-2026-103441
MediaWiki Wikibase 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/Wikibase",
"vendor": "The Wikimedia Foundation",
"product": "MediaWiki Wikibase extension",
"versions": [
{
"status": "affected",
"version": "1.46"
},
{
"status": "affected",
"version": "1.45"
},
{
"status": "affected",
"version": "1.43"
}
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-103441
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #4586 · Revision 1
- Added to Heist Feed
- Publisher date