DEBIAN-CVE-2026-34091
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.
DEBIAN-CVE-2026-34091
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: osv:DEBIAN-CVE-2026-34091
mediawiki
Source reference: /affected/0/package/name
- Affected versions
- 1:1.43.3+dfsg-1
Source reference:
/affected/0/versions1:1.43.5+dfsg-1Source reference:
/affected/0/versions1:1.43.6+dfsg-1Source reference:
/affected/0/versions1:1.43.6+dfsg-1~deb13u1Source reference:
/affected/0/versions1:1.43.6+dfsg-2Source reference:
/affected/0/versions - Fixed versions
- 1:1.43.8+dfsg-1~deb13u1
Source reference:
/affected/0/ranges - Prerequisites
- Not stated in this record
mediawiki
Source reference: /affected/1/package/name
- Affected versions
- 1:1.43.3+dfsg-1
Source reference:
/affected/1/versions1:1.43.5+dfsg-1Source reference:
/affected/1/versions1:1.43.6+dfsg-1Source reference:
/affected/1/versions1:1.43.6+dfsg-1~deb13u1Source reference:
/affected/1/versions1:1.43.6+dfsg-2Source reference:
/affected/1/versions1:1.43.8+dfsg-1~deb13u1Source reference:
/affected/1/versions - Fixed versions
- 1:1.43.8+dfsg-1
Source reference:
/affected/1/ranges - Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.43.8+dfsg-1~deb13u1"
}
]
}
],
"package": {
"name": "mediawiki",
"purl": "pkg:deb/debian/mediawiki?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"1:1.43.3+dfsg-1",
"1:1.43.5+dfsg-1",
"1:1.43.6+dfsg-1",
"1:1.43.6+dfsg-1~deb13u1",
"1:1.43.6+dfsg-2"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-34091.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.43.8+dfsg-1"
}
]
}
],
"package": {
"name": "mediawiki",
"purl": "pkg:deb/debian/mediawiki?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"1:1.43.3+dfsg-1",
"1:1.43.5+dfsg-1",
"1:1.43.6+dfsg-1",
"1:1.43.6+dfsg-1~deb13u1",
"1:1.43.6+dfsg-2",
"1:1.43.8+dfsg-1~deb13u1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-34091.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #56373 · Revision 1
- Added to Heist Feed
- Publisher date