CVE-2026-11837
HIGH 1 PoC
MEDIUM
Priority: 0.01
BB Relevance:
40/100
Published: 2026-06-10
Modified: 2026-10-29
First seen: 2026-10-29
Status: active
Attack Surface
Low Complexity
Conf. Impact
Integ. Impact
CVSS Vector Breakdown
AV:
Local
AC:
Low
PR:
Low
UI:
Required
S:
Unchanged
C:
High
I:
High
A:
High
Description
A local privilege escalation vulnerability was found in the ansible.posix authorized_key module. The module's keyfile() function uses os.chown() instead of os.lchown() and opens files without O_NOFOLLOW when managing SSH authorized keys. An unprivileged local user can pre-stage symbolic links in their ~/.ssh directory to redirect file ownership changes to arbitrary system paths when an operator runs the authorized_key task as root, leading to local privilege escalation.