CVE-2026-4878: Libcap: libcap: privilege escalation via toctou race condition in cap_set_file()
Overview
- Severity
- Medium (CVSS 6.7)
- CVSS Vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Apr
- Released
- 2026-04-11
- Last Updated
- 2026-04-14
- EPSS Score
- 0.02% (percentile: 4.0%)
Affected Products (3)
Open Source Software
- cbl2 libcap 2.60-7 on CBL Mariner 2.0
- azl3 libcap 2.69-13 on Azure Linux 3.0
- azl3 libcap 2.69-14 on Azure Linux 3.0
Revision History
- 2026-04-11: Information published.
- 2026-04-13: Information published.
- 2026-04-14: Information published.