CVE-2026-54369

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.

CVSS v3 7.1 HIGH

7.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://cgit.git.savannah.nongnu.org/cgit/acl.git/commit/?id=24a227d0ab8576612194f8a56c2314389adc74a5
https://cgit.git.savannah.nongnu.org/cgit/acl.git/commit/?id=3589787cd589b34bdd9265936e17190b6d3f17d1
https://www.vulncheck.com/advisories/acl-symlink-traversal-privilege-escalation-via-libacl-functions
https://access.redhat.com/errata/RHSA-2026:34351
https://access.redhat.com/security/cve/CVE-2026-54369
https://bugzilla.redhat.com/show_bug.cgi?id=2490277
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-54369.json

Configurations

No configuration.

History

02 Jul 2026, 12:17

Type	Values Removed	Values Added
References		() https://access.redhat.com/errata/RHSA-2026:34351 -

30 Jun 2026, 03:21

Type	Values Removed	Values Added
References		() https://access.redhat.com/security/cve/CVE-2026-54369 - () https://bugzilla.redhat.com/show_bug.cgi?id=2490277 - () https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-54369.json -

29 Jun 2026, 14:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-29 14:16

Updated : 2026-07-15 01:16

NVD link : CVE-2026-54369

Mitre link : CVE-2026-54369

CVE.ORG link : CVE-2026-54369

JSON object : View

Products Affected

No product.

CWE

CWE-59

Improper Link Resolution Before File Access ('Link Following')

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