NVD · CVE-2026-34090

CVE-2026-34090

Published: Mon, 11 May 2026 16:17

CVE-2026-34090

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.

Are YOU affected by CVE-2026-34090?

5-second check on your actual server. Reads /etc/os-release, uname -r, and dpkg-query; matches against the live USN + Debian Security Tracker feeds; tells you whether CVE-2026-34090 (and any other live CVE) applies. Anonymous, no signup.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan Read the bash source first

References

https://phabricator.wikimedia.org/T411366

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