CVE-2026-77191 — LOW (2.6) — White Hats Nepal

Vulnerability Description

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.

CVSS Score

2.6

LOW

CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

Attack Vector

ADJACENT_NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-862

References

https://www.arista.com/en/support/advisories-notices/security-advisory/24706-sec

FAQ

What is CVE-2026-77191?

CVE-2026-77191 is a vulnerability with a CVSS score of 2.6 (LOW). 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...

How severe is CVE-2026-77191?

CVE-2026-77191 has been rated LOW with a CVSS base score of 2.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-77191?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.