CVE-2026-61897 - accountsservice: incomplete privilege drop when running Ubuntu-specific language helper scripts

CVE-2026-61897 - accountsservice: incomplete privilege drop when running Ubuntu-specific language helper scripts

https://cvefeed.io/rssfeed/latest.atom / Thu, 08/20/2026 - 19:27
CVE ID :CVE-2026-61897
Published : Aug. 20, 2026, 3:17 p.m. | 44 minutes ago
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.
Severity: 7.8 | HIGH
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