Security Advisory

CVE-2026-61897

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-20 14:32:53

Last updated 2026-08-20 14:32:53

Assigner canonical

CVSS score 7.8

State PUBLISHED

Description

An Ubuntu-specific patch to AccountsService before 23.13.9-8ubuntu7 only partially drops privileges before launching language helper scripts. It changes the effective UID/GID to the target user but leaves the real UID as 0 (root). A shell spawned by a helper script inherits ruid=0 and may reset its effective UID to root, enabling local privilege escalation.

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