Vulnerability in Red Hat Enterprise Linux 10
CVE-2026-12505
A flaw was found in the cifs-utils package where the cifs.upcall helper fails to securely drop its root privileges before looking up user information inside a user-controlled environment. A local, low privileged attacker can exploit this b…
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking)
- secalert@redhat.com
Frequently asked questions
- What is CVE-2026-12505?
- CVE-2026-12505 is a high-severity vulnerability in Red Hat Enterprise Linux 10, classified under CWE-250. CVSS score: 7.8/10. Published 2026-06-18.
- How severe is CVE-2026-12505?
- High severity. CVSS v3 base score is 7.8 out of 10.