| Summary | 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. |
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| Publication Date | May 12, 2026, 1:17 a.m. |
| Registration Date | May 12, 2026, 4:14 a.m. |
| Last Update | May 12, 2026, 1:17 a.m. |