This issue affects CheckUser: from 1.45.0 before 1.45.2.
No advisories yet.
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
| Link | Providers |
|---|---|
| https://phabricator.wikimedia.org/T411366 |
|
Mon, 11 May 2026 17:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Wikimedia
Wikimedia checkuser |
|
| Vendors & Products |
Wikimedia
Wikimedia checkuser |
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 CheckUser. This issue affects CheckUser: from 1.45.0 before 1.45.2. | |
| Title | Suggested investigations: Handle suppressed usernames | |
| Weaknesses | CWE-200 | |
| References |
| |
| Metrics |
cvssV4_0
|
Projects
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Status: PUBLISHED
Assigner: wikimedia-foundation
Published:
Updated: 2026-05-11T15:51:32.487Z
Reserved: 2026-03-25T17:15:46.521Z
Link: CVE-2026-34090
Updated: 2026-05-11T15:51:27.108Z
Status : Received
Published: 2026-05-11T16:17:30.407
Modified: 2026-05-11T16:17:30.407
Link: CVE-2026-34090
No data.
OpenCVE Enrichment
Updated: 2026-05-11T17:15:39Z