VULNERABILITY INTELLIGENCE

CVE-2026-34090

CVSS score7.5 HIGH
EPSS probability0.28%
CISA KEVNot currently listed
Published2026-05-11
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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.

Weakness classification

  • c4f26cc8-17ff-4c99-b5e2-38fc1793eacc: CWE-200

Primary references