CVE-2026-61828

Nixpkgs is a collection of software packages that can be installed with the Nix package manager. Prior to the 25.11 and 26.05 channel fixes, the NixOS module for MySQL services.mysql initializes the MySQL database in a way that allows local users, such as unprivileged web or CGI processes on the same host, to log in as the root user without a password when the service is used with mysql or percona-server. This issue is fixed in the 25.11 and 26.05.

• CWE-276

• https://github.com/NixOS/nixpkgs/commit/3f68d7ad2a6865ff8b4910d89f173d7258bad8dd
• https://github.com/NixOS/nixpkgs/commit/4aed47116a8734922763cd8f477467b0a0bcd6d7
• https://github.com/NixOS/nixpkgs/commit/f8ee41468a7a8f9ed3a8cc7d017151c2ca6f90b5
• https://github.com/NixOS/nixpkgs/pull/534254
• https://github.com/NixOS/nixpkgs/pull/534482
• https://github.com/NixOS/nixpkgs/pull/534484
• https://github.com/NixOS/nixpkgs/security/advisories/GHSA-6qxx-6rg8-c4p8

Published

Jul 15, 2026

Last Modified

Jul 15, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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