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…
EPSS: 0.002 (5.3th percentile) — read the EPSS interpretation.
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
- Red Hat Enterprise Linux 10 — versions 0:7.6-1.el10_2
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8 — versions 0:7.0-5.el8_10
- Red Hat Enterprise Linux 9 — versions 0:7.6-2.el9_8
- Red Hat Openshift Container Platform 4
- Red Hat Openshift Container Platform 4.22 — versions 4.22.9.8.202607220526-0
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking)
- secalert@redhat.com
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
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.