CVE-2026-77191Low· 2.6▾ SunlitAn 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 …
▾ Sunlit zone — Low / medium · no exploitation signal
impact 14.3 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 15.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.1%
Last analysed / modified upstream
0.1% → 0.2%
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.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-75943Low· 2.6A brief (milliseconds to seconds) traffic leak may occur when an authenticated supplicant is removed, either via the clear dot1x host all CLI command or due to a supplicant timeout
CVE-2026-75944Low· 2.6A race condition during supplicant re-authentication may leave a stale ACL entry that persists in the system
CVE-2026-75945Low· 2.6A race condition may cause a supplicant to remain in an authorized state after a clear dot1x host all command is issued.
CVE-2025-3456Low· 3.8On affected platforms running Arista EOS, the global common encryption key configuration may be logged in clear text, in local or remote accounting logs
CVE-2026-7473Medium· 5.8On affected platforms running Arista EOS where a tunnel decapsulation configuration—such as VXLAN (Virtual Extensible LAN), decap-groups, or a GRE (Generic Routing Encapsulation) tunnel interface—is present, the switch will incorrectly d…
CVE-2026-73462Medium· 6.5On affected platforms running Arista EOS with IGMP (Internet Group Management Protocol) snooping configured (enabled by default on all VLANs), a network-adjacent unauthenticated attacker can send malformed network packets on an affected …