This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.
Analysis and contextual insights are available on OpenCVE Cloud.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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| Source | ID | Title |
|---|---|---|
Debian DSA |
DSA-6208-1 | mediawiki security update |
| Link | Providers |
|---|---|
| https://phabricator.wikimedia.org/T411305 |
|
Thu, 14 May 2026 16:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mediawiki
Mediawiki mediawiki |
|
| Weaknesses | NVD-CWE-noinfo | |
| CPEs | cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Mediawiki
Mediawiki mediawiki |
|
| Metrics |
cvssV3_1
|
Mon, 11 May 2026 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Wikimedia
Wikimedia mediawiki |
|
| Vendors & Products |
Wikimedia
Wikimedia mediawiki |
Mon, 11 May 2026 16:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Mon, 11 May 2026 15:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | User localization leaked by AbuseFilter + EventStream | |
| Weaknesses | CWE-200 | |
| References |
| |
| Metrics |
cvssV4_0
|
Status: PUBLISHED
Assigner: wikimedia-foundation
Published:
Updated: 2026-05-11T16:03:07.320Z
Reserved: 2026-03-25T17:15:46.522Z
Link: CVE-2026-34091
Updated: 2026-05-11T16:03:03.905Z
Status : Analyzed
Published: 2026-05-11T16:17:30.537
Modified: 2026-05-14T16:42:10.333
Link: CVE-2026-34091
No data.
OpenCVE Enrichment
Updated: 2026-05-14T18:00:14Z
Debian DSA