CVE-2026-77191
2.6
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
Summary
An authenticated supplicant on an adjacent network may bypass intended network authorization policy and send unrestricted traffic during a brief window (milliseconds to seconds) between the completion of the authentication phase and the full enforcement of its assigned ACL.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Arista Networks | EOS | 4.35.0 <= 4.35.0.3F | affected |
| Arista Networks | EOS | 4.34.0 <= 4.34.5M | affected |
| Arista Networks | EOS | 0.0.0 <= 4.33.7.1M | affected |
Weaknesses
- CWE-862: CWE-862 Missing Authorization
Workarounds
There is no workaround available for CVE-2026-77191.
References
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.