CVE-2026-54369

acl < 2.4.0 Symlink Traversal Privilege Escalation via libacl Functions

CVE-2026-54369 is fixed in 7 products on 1 platform, first by DEBIAN-CVE-2026-54369, released July 3, 2026. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.1
Important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0015
4th percentile

Access Control Lists (ACLs) are used to define fine-grained discretionary access rights for files and directories. The acl packages contain the getfacl and setfacl utilities needed for manipulating access control lists. Security Fix(es): * acl: Symlink traversal privilege escalation via libacl functions (CVE-2026-54369) * acl: TOCTOU Symlink Traversal via getfacl/setfacl (CVE-2026-54370) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Where it's fixed

ProductFixed inFixReleased
Linux
acl · Debian 14 2.4.0-1 DEBIAN-CVE-2026-54369 Jul 3, 2026
acl · Fedora 43 2.4.0-1.fc43 FEDORA-2026-67504C329B Jul 9, 2026
acl · RHEL 10 2.4.0-0.el10_0.1 RHSA-2026:64805 Jul 22, 2026
acl · RHEL 8 0:2.4.0-1.el8_10 RHSA-2026:43420 Jul 23, 2026
acl · RHEL 9 0:2.4.0-1.el9_8 RHSA-2026:42736 Jul 22, 2026
acl · almalinux 10 2.4.0-1.el10_2 ALSA-2026:42739 Jul 21, 2026
acl · almalinux 8 2.4.0-1.el8_10 ALSA-2026:43420 Jul 22, 2026
acl · almalinux 9 2.4.0-1.el9_8 ALSA-2026:42736 Jul 21, 2026
acl · amzn 2023 2.4.0-1.amzn2023.0.1 ALAS2023-2026-1986 Jul 20, 2026
acl · ol 10 0:2.4.0-1.el10_2 ELSA-2026-42739 Jul 21, 2026
acl · ol 8 0:2.4.0-1.el8_10 ELSA-2026-43420 Jul 22, 2026
acl · ol 9 0:2.4.0-1.el9_8 ELSA-2026-42736 Jul 21, 2026
acl · opensuse-leap 16.0 2.4.0-160000.1.1 OPENSUSE-SU-2026:21832-1 Sep 11, 2026
acl · rocky 10 0:2.4.0-1.el10_2 RLSA-2026:42739 Jul 22, 2026
acl · rocky 8 0:2.4.0-1.el8_10 RLSA-2026:43420 Jul 23, 2026
acl · rocky 9 0:2.4.0-1.el9_8 RLSA-2026:42736 Jul 22, 2026
acl · sles 15.6 2.4.0-150000.4.6.1 SUSE-SU-2026:4176-1 Sep 14, 2026
acl · sles 15.7 2.4.0-150000.4.6.1 SUSE-SU-2026:4176-1 Sep 14, 2026
acl · sles 16.0 2.4.0-160000.1.1 SUSE-SU-2026:23726-1 Sep 11, 2026
acl-debuginfo · Fedora 43 2.4.0-1.fc43 FEDORA-2026-67504C329B Jul 9, 2026
acl-debuginfo · amzn 2023 2.4.0-1.amzn2023.0.1 ALAS2023-2026-1986 Jul 20, 2026
acl-debugsource · Fedora 43 2.4.0-1.fc43 FEDORA-2026-67504C329B Jul 9, 2026
acl-debugsource · amzn 2023 2.4.0-1.amzn2023.0.1 ALAS2023-2026-1986 Jul 20, 2026
attr · opensuse-leap 16.0 2.6.0-160000.1.1 OPENSUSE-SU-2026:21832-1 Sep 11, 2026
attr · sles 15.6 2.6.0-150000.4.3.1 SUSE-SU-2026:4176-1 Sep 14, 2026
attr · sles 15.7 2.6.0-150000.4.3.1 SUSE-SU-2026:4176-1 Sep 14, 2026
attr · sles 16.0 2.6.0-160000.1.1 SUSE-SU-2026:23726-1 Sep 11, 2026
libacl · Fedora 43 2.4.0-1.fc43 FEDORA-2026-67504C329B Jul 9, 2026
libacl · RHEL 8 0:2.4.0-1.el8_10 RHSA-2026:43420 Jul 23, 2026
libacl · RHEL 9 0:2.4.0-1.el9_8 RHSA-2026:42736 Jul 22, 2026
libacl · almalinux 10 2.4.0-1.el10_2 ALSA-2026:42739 Jul 21, 2026
libacl · almalinux 8 2.4.0-1.el8_10 ALSA-2026:43420 Jul 22, 2026
libacl · almalinux 9 2.4.0-1.el9_8 ALSA-2026:42736 Jul 21, 2026
libacl · amzn 2023 2.4.0-1.amzn2023.0.1 ALAS2023-2026-1986 Jul 20, 2026
libacl · ol 10 0:2.4.0-1.el10_2 ELSA-2026-42739 Jul 21, 2026
libacl · ol 8 0:2.4.0-1.el8_10 ELSA-2026-43420 Jul 22, 2026
libacl · ol 9 0:2.4.0-1.el9_8 ELSA-2026-42736 Jul 21, 2026
libacl-debuginfo · Fedora 43 2.4.0-1.fc43 FEDORA-2026-67504C329B Jul 9, 2026
libacl-debuginfo · amzn 2023 2.4.0-1.amzn2023.0.1 ALAS2023-2026-1986 Jul 20, 2026
libacl-devel · Fedora 43 2.4.0-1.fc43 FEDORA-2026-67504C329B Jul 9, 2026
libacl-devel · RHEL 8 0:2.4.0-1.el8_10 RHSA-2026:43420 Jul 23, 2026
libacl-devel · RHEL 9 0:2.4.0-1.el9_8 RHSA-2026:42736 Jul 22, 2026
libacl-devel · almalinux 10 2.4.0-1.el10_2 ALSA-2026:42739 Jul 21, 2026
libacl-devel · almalinux 8 2.4.0-1.el8_10 ALSA-2026:43420 Jul 22, 2026
libacl-devel · almalinux 9 2.4.0-1.el9_8 ALSA-2026:42736 Jul 21, 2026
libacl-devel · amzn 2023 2.4.0-1.amzn2023.0.1 ALAS2023-2026-1986 Jul 20, 2026
libacl-devel · ol 10 0:2.4.0-1.el10_2 ELSA-2026-42739 Jul 21, 2026
libacl-devel · ol 8 0:2.4.0-1.el8_10 ELSA-2026-43420 Jul 22, 2026
libacl-devel · ol 9 0:2.4.0-1.el9_8 ELSA-2026-42736 Jul 21, 2026

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