What is CVE-2026-75944?

CVE-2026-75944 is a low-severity vulnerability in Arista Networks Eos, classified under Incomplete Cleanup. CVSS score: 2.6/10. Published 2026-09-14.

How severe is CVE-2026-75944?

Low severity. CVSS v3 base score is 2.6 out of 10.

Vulnerability in Arista Networks Eos

CVE-2026-75944

A race condition during supplicant re-authentication may leave a stale ACL entry that persists in the system. If the AclAgent subsequently restarts, this stale entry may be applied to new supplicants, resulting in incorrect access control enforcement. User interaction (an AclAgent restart by an administrator) is required for the unintended behavior to take effect.

CVSS v3 metric

CVSS v3 base score 2.6 (Low). Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Arista Networks Eos

Weakness classification (CWE)

CWE-459 — Incomplete Cleanup

References

psirt@arista.com

Frequently asked questions

What is CVE-2026-75944?: CVE-2026-75944 is a low-severity vulnerability in Arista Networks Eos, classified under Incomplete Cleanup. CVSS score: 2.6/10. Published 2026-09-14.
How severe is CVE-2026-75944?: Low severity. CVSS v3 base score is 2.6 out of 10.