CVEvulnerability
CVE-2026-54369
8.4 HIGH
Official page ↗
- Status
- Deferred
- Published
- 2026-06-29
- Last modified
- 2026-10-25
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 8.4 HIGH — CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 7.1 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- CVSS 3.1 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c)
- 7.1 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- Weaknesses
- CWE-59
Description
acl before version 2.4.0 contains a symlink traversal vulnerability in the libacl pathname-based functions acl_get_file(), acl_set_file(), acl_extended_file(), and acl_delete_def_file() that allows local attackers to escalate privileges by replacing any pathname component with a symbolic link. Attackers who control any component of a pathname processed by a privileged caller can redirect ACL read or write operations to arbitrary files or directories, enabling unauthorized manipulation of access control lists and local privilege escalation.
Related
Weakness · CWE (1)
- CWE-59 Improper Link Resolution Before File Access weakness
References
- https://cgit.git.savannah.nongnu.org/cgit/acl.git/commit/?id=24a227d0ab8576612194f8a56c2314389adc74a5 cgit.git.savannah.nongnu.org
- https://cgit.git.savannah.nongnu.org/cgit/acl.git/commit/?id=3589787cd589b34bdd9265936e17190b6d3f17d1 cgit.git.savannah.nongnu.org
- https://www.vulncheck.com/advisories/acl-symlink-traversal-privilege-escalation-via-libacl-functions www.vulncheck.com
- https://access.redhat.com/errata/RHSA-2026:34351 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:42736 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:42739 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:43420 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:44481 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:46836 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:50205 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:53371 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:54769 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:58981 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:64805 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:67140 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:67142 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:67144 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2026-54369 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2490277 bugzilla.redhat.com
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-54369.json security.access.redhat.com