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Low 2.6Published Sep 14, 2026

CVE-2026-75944A 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

Updated under an hour ago ()

Does this affect you?

It affects Arista Networks EOS. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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
2.6 LOW (v3.1, CNA)CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness (CWE)
CWE-459
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Arista
NVD analysis
Awaiting Analysis
Record last updated
Sep 14, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Arista Networks EOS
arista_networks:eos (from the name)
from 4.36.0 through 4.36.1F
CNA record

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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