{"id":"CVE-2026-55401","aliases":["EUVD-2026-58115","GHSA-8pcf-2r89-jjr2"],"status":"published","title":"CVE-2026-55401 is a null dereference vulnerability on the load-balancing\n sub-system of Secure...","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","severity":{"version":"4.0","score":6.9,"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00402,"percentile":0.34797,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2026-08-13T16:11:08Z","modified":"2026-09-04T21:31:36Z","products":[{"vendor":"absolute","product":"secure_access"},{"vendor":"absolute security","product":"secure access"},{"vendor":"absolute software","product":"secure access"}],"references":[{"url":"https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-55401","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55401"},{"url":"https://github.com/advisories/GHSA-8pcf-2r89-jjr2"}],"sources":{"cve":[{"id":"CVE-2026-55401","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","status":"published","published":"2026-08-13T16:11:08.672Z","modified":"2026-08-13T19:03:32.732Z","cvss":[{"version":"4.0","score":6.9,"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","level":"medium","assessor":"cna"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:20:12.260247Z"}],"euvd":[{"id":"EUVD-2026-58115","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","status":"published","published":"2026-08-13T16:11:08Z","modified":"2026-08-13T19:03:32Z","cvss":[{"version":"4.0","score":6.9,"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","level":"medium"}],"updated_at":"2026-11-02T18:01:55.61982Z"}],"ghsa":[{"id":"GHSA-8pcf-2r89-jjr2","title":"CVE-2026-55401 is a null dereference vulnerability on the load-balancing\n sub-system of Secure...","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","status":"published","published":"2026-08-13T18:31:38Z","modified":"2026-09-04T21:31:36Z","cvss":[{"version":"4.0","score":6.9,"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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T15:11:24.326884Z"}],"nvd":[{"id":"CVE-2026-55401","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","status":"published","published":"2026-08-13T16:18:07.867Z","modified":"2026-09-04T20:39:58.817Z","cvss":[{"version":"4.0","score":6.9,"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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:12:37.557758Z"}]}}