{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-91167","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-09-14T21:20:41.196Z","datePublished":"2026-09-21T18:54:38.214Z","dateUpdated":"2026-09-22T15:40:23.360Z"},"containers":{"cna":{"title":"Warpgate: Missing authorization check on `PUT /users/:id/roles/:role_id` allows any admin to bypass the `AccessRolesAssign` permission boundary","problemTypes":[{"descriptions":[{"cweId":"CWE-862","lang":"en","description":"CWE-862: Missing Authorization","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0"}}],"references":[{"name":"https://github.com/warp-tech/warpgate/security/advisories/GHSA-fjgc-484v-j6mf","tags":["x_refsource_CONFIRM"],"url":"https://github.com/warp-tech/warpgate/security/advisories/GHSA-fjgc-484v-j6mf"},{"name":"https://github.com/warp-tech/warpgate/commit/c020900a9d85989e4280bd03184976bc33e2e61d","tags":["x_refsource_MISC"],"url":"https://github.com/warp-tech/warpgate/commit/c020900a9d85989e4280bd03184976bc33e2e61d"},{"name":"https://github.com/warp-tech/warpgate/releases/tag/v0.28.4","tags":["x_refsource_MISC"],"url":"https://github.com/warp-tech/warpgate/releases/tag/v0.28.4"}],"affected":[{"vendor":"warp-tech","product":"warpgate","versions":[{"version":"< 0.28.4","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-09-21T18:54:38.214Z"},"descriptions":[{"lang":"en","value":"Warpgate is an open source SSH, HTTPS and MySQL bastion host for Linux. Prior to 0.28.4, PUT /@warpgate/admin/api/users/:id/roles/:role_id reaches api_update_user_role in warpgate-admin/src/api/users.rs through AdminContext but does not require AdminPermission::AccessRolesAssign. A limited administrator with any permission can update expires_at on an existing UserRoleAssignment and clear revoked_at, extending an expiring grant or reinstating a revoked grant. The endpoint cannot create a role assignment that never existed because it returns not found without a matching user and role pair. This issue is fixed in version 0.28.4."}],"source":{"advisory":"GHSA-fjgc-484v-j6mf","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-22T14:12:28.626585Z","id":"CVE-2026-91167","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-22T15:40:23.360Z"}}]}}