cve-2026-11837
HIGH CVSS 7.3 nvd
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.
Timeline
- Published
- 2026-06-10
- Last Modified
- 2026-09-09
CVSS Details
- Attack Vector
- LOCAL
- Attack Complexity
- LOW
- Privileges Required
- LOW
Affected Products
No product information available.
Weaknesses (CWE)
CVSS metrics
| Version | Base | Severity | Vector | Exploitability | Impact | Source |
|---|---|---|---|---|---|---|
| 3.1 | 7.3 | HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
1.3 | 5.9 | secalert@redhat.com |
| 3.1 | 7.3 | HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
1.3 | 5.9 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c |
NVD metadata
- NVD status
- Awaiting Analysis
- Source identifier
secalert@redhat.com
References
Linked Vulnerabilities
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"id": "CVE-2026-11837",
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Enrichment data
Aggregated bundle (all enrichments)