{"id":"CVE-2026-96414","aliases":["EUVD-2026-123267","GHSA-66h9-x6fw-797g"],"status":"published","title":"In affected versions of Octopus Server, insufficient integrity protection of authentication...","description":"In affected versions of Octopus Server, insufficient integrity protection of authentication cookies, combined with incorrect validation of permissions assigned to a user that allowed them to view users or audit events, could result in the user escalating their privileges to those of an Administrator.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-14","score":0.00221,"percentile":0.12795,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-649"],"published":"2026-11-11T07:01:16Z","modified":"2026-11-11T09:31:36Z","products":[{"vendor":"octopus deploy","product":"octopus server"}],"references":[{"url":"https://advisories.octopus.com/post/2026/sa2026-19"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-96414"},{"url":"https://github.com/advisories/GHSA-66h9-x6fw-797g"}],"sources":{"cve":[{"id":"CVE-2026-96414","description":"In affected versions of Octopus Server, insufficient integrity protection of authentication cookies, combined with incorrect validation of permissions assigned to a user that allowed them to view users or audit events, could result in the user escalating their privileges to those of an Administrator.","status":"published","published":"2026-11-11T07:01:16.258Z","modified":"2026-11-11T07:03:53.88Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-649"],"updated_at":"2026-11-11T08:55:27.011068Z"}],"euvd":[{"id":"EUVD-2026-123267","description":"In affected versions of Octopus Server, insufficient integrity protection of authentication cookies, combined with incorrect validation of permissions assigned to a user that allowed them to view users or audit events, could result in the user escalating their privileges to those of an Administrator.","status":"published","published":"2026-11-11T07:01:16Z","modified":"2026-11-11T07:03:53Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-11T11:28:20.213197Z"}],"ghsa":[{"id":"GHSA-66h9-x6fw-797g","title":"In affected versions of Octopus Server, insufficient integrity protection of authentication...","description":"In affected versions of Octopus Server, insufficient integrity protection of authentication cookies, combined with incorrect validation of permissions assigned to a user that allowed them to view users or audit events, could result in the user escalating their privileges to those of an Administrator.","status":"published","published":"2026-11-11T09:31:28Z","modified":"2026-11-11T09:31:36Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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":"high"}],"cwes":["CWE-649"],"updated_at":"2026-11-11T09:33:11.21985Z"}],"nvd":[{"id":"CVE-2026-96414","description":"In affected versions of Octopus Server, insufficient integrity protection of authentication cookies, combined with incorrect validation of permissions assigned to a user that allowed them to view users or audit events, could result in the user escalating their privileges to those of an Administrator.","status":"published","published":"2026-11-11T07:17:36.98Z","modified":"2026-11-12T19:02:35.83Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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":"high","assessor":"secondary"}],"cwes":["CWE-649"],"updated_at":"2026-11-11T12:24:45.117793Z"}]}}