high7.5
CVE-2026-34090
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation CheckUser.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mediawiki | Checkuser | from 1.45.0 before 1.45.2 |