{"id":"CVE-2026-61897","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-61897","summary":"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…","details":"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.","published":"2026-08-20T15:17:38.740","modified":"2026-08-20T15:17:38.740","cvss":{"score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://bugs.launchpad.net/ubuntu/+source/accountsservice/+bug/2157985"},{"type":"WEB","url":"https://ubuntu.com/security/CVE-2026-61897"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-20T15:17:38.740"}}