CVE-2026-54370: acl 0 to before 2.4.0

CVE-2026-54370. CVSS 3.1 base score 6.3 (MEDIUM, Vendor/CNA). EPSS 0.00088 (percentile 0.00372), scored 25-Oct-2026.

Affected technology

acl · 0 to before 2.4.0
acl project

Description’s affected range: before version 2.4.0

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Local · Low privileges required · No user interaction required

What an attacker can do

Local attackers can escalate privileges by replacing a pathname component with a symbolic link between an lstat() check and subsequent symlink-following operations such as stat(), chown(), chmod(), acl_get_file(), and acl_set_file(). Vendor/CNA’s CVSS 4.0 assessment (base score 7.2/10) rates confidentiality and integrity impact as high; availability impact as none.

Published 25-Oct-2026 21:45 UTC

CWE: CWE-367
CCR priority: 25.2 /100 (P4)
CVSS 3.1: 6.3 /10 · CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N · Vendor/CNA
EPSS: 0.00088 · percentile 0.00372 · 2026-10-25
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-25 21:44:36.062275+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-54370.html