{"id":"CVE-2026-55401","state":"PUBLISHED","title":"CVE-2026-55401 is a null dereference vulnerability on the load-balancing","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","publishedAt":"2026-08-13T16:11:08.672Z","updatedAt":"2026-08-13T19:03:32.732Z","severity":{"score":6.9,"label":"Medium","version":"4.0","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","source":"Absolute"},"assigner":"Absolute","products":["Absolute Security Secure Access"],"affected":[{"vendor":"Absolute Security","product":"Secure Access","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"14.57","versionType":"Server"}]}],"references":["https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-55401"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/55xxx/CVE-2026-55401.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-55401","state":"PUBLISHED","datePublished":"2026-08-13T16:11:08.672Z","dateUpdated":"2026-08-13T19:03:32.732Z","assignerShortName":"Absolute","assignerOrgId":"b6533044-ea05-4482-8458-7bddeca0d079","dateReserved":"2026-06-16T21:26:37.698Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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"}],"affected":[{"vendor":"Absolute Security","product":"Secure Access","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"14.57","versionType":"Server"}]}],"references":[{"url":"https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-55401"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":6.9,"vectorString":"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"}}],"providerMetadata":{"shortName":"Absolute","orgId":"b6533044-ea05-4482-8458-7bddeca0d079","dateUpdated":"2026-08-13T16:11:08.672Z"},"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.4"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-13T19:03:25.331247Z","id":"CVE-2026-55401","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","type":"CWE","lang":"en","description":"CWE-476 NULL Pointer Dereference"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-13T19:03:32.732Z"}}]}}}