{"id":"CVE-2026-55401","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-55401","generatedAt":"2026-10-28T10:39:58.722Z","title":"CVE-2026-55401 is a null dereference vulnerability on the load-balancing sub-system of Secure Access servers prior to 14.57.","description":"CVE-2026-55401 is a null dereference vulnerability on the load-balancing\n sub-system of Secure Access servers prior to 14.57. Attackers can send \nan unauthenticated packet to a Secure Access server with load balancing \nenabled, which results in the internal load balancer crashing. After a \nsuccessful attack, the Secure Access server is still able to accept \nconnections and is still able to issue a failover to connected clients. ‍ https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L","published":"2026-08-13T16:18:08.000Z","lastModified":"2026-09-04T20:39:59.000Z","status":"Analyzed","sourceIdentifier":"SecurityResponse@netmotionsoftware.com","cvss":{"version":"4.0","score":6.9,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-476"],"affected":["absolute/secure access"],"epss":{"score":0.00402,"percentile":0.34293,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.40%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-55401","tags":["Vendor Advisory"],"source":"SecurityResponse@netmotionsoftware.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-55401","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}