{"id":"CVE-2026-90465","aliases":[],"title":"Fireware OS Missing Authentication in FireCluster Sync Allows Privilege Escalation","description":"A missing authentication vulnerability in the FireCluster Sync processing allows an attacker positioned on the cluster interconnect, such as a compromised cluster peer or an on-path network attacker, to invoke privileged firewall management actions as root by sending a specially crafted request.","severity":"high","score":8.7,"published":"2026-10-27T15:52:29.859Z","modified":"2026-10-27T15:52:29.859Z","withdrawn":false,"knownExploited":false,"affected":[],"references":["https://psirt.watchguard.com/CVE-2026-90465"],"sources":[{"name":"CVE","id":"CVE-2026-90465","modified":"2026-10-27T15:52:29.859Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-90465"}],"assessments":[{"source":"CNA","vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","score":8.7}]}