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{"bugzilla": {"description": "ansible-collection-ansible-posix: ansible.posix authorized_key: local privilege escalation via symlink-following chown", "id": "2487424", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2487424"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-59", "details": ["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."], "mitigation": {"lang": "en:us", "value": "The following practices would help for avoiding exposure and mitigate this flaw:\n1) Do not run the ansible.posix authorized_key module with elevated privileges against untrusted user accounts. \n2) Validate that target user home directories do not contain unexpected symbolic links before running playbooks."}, "name": "CVE-2026-11837", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "rhel-system-roles", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "rhc-worker-playbook", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "rhel-system-roles", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Out of support scope", "package_name": "rhel-system-roles", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openstack:17.1", "fix_state": "Affected", "package_name": "ansible-collection-ansible-posix", "product_name": "Red Hat OpenStack Platform 17.1"}, {"cpe": "cpe:/a:redhat:openstack:18.0", "fix_state": "Affected", "package_name": "ansible-collection-ansible-posix", "product_name": "Red Hat OpenStack Platform 18.0"}], "public_date": "2026-06-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-11837\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-11837"], "threat_severity": "Important"}