Critical
Unauthenticated remote code execution through wikitext in ExternalData
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Wikimedia Foundation Mediawiki - ExternalData Extension allows OS Command Injection. This issue affects Mediawiki - ExternalData Extension: from * before 3.7.
Announced Group revision 1
Original source ↗CVE-2026-100382
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-2026-100382
Mediawiki - ExternalData 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/g/mediawiki/extensions/ExternalData/+/refs/heads/master",
"vendor": "Wikimedia Foundation",
"product": "Mediawiki - ExternalData Extension",
"versions": [
{
"status": "affected",
"version": "*",
"lessThan": "3.7",
"versionType": "custom"
}
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-100382
Source reference:
/cveMetadata/cveId
Publisher severity
critical
Source reference: /containers/cna/metrics
- Event
- #2393 · Revision 1
- Added to Heist Feed
- Publisher date