{"id":"CVE-2026-65984","state":"PUBLISHED","title":"FUXA: JWT lifecycle flaws allow deleted or demoted users to retain privileged sessions","description":"FUXA is a web-based Process Visualization (SCADA/HMI/Dashboard) software. In 1.3.2 and earlier, POST /api/refresh in server/api/auth/index.js falls back from current user data to decoded.groups, including when the user is deleted or groups is zero, and POST /api/heartbeat in server/api/index.js re-signs inbound JWT claims without validating the current database record. An attacker who possesses a previously issued privileged refresh cookie or access token can continue minting privileged JWTs after account deletion, disablement, role removal, or demotion. Continued refresh-cookie rotation can extend the stale session and preserve unauthorized access to user management, project manipulation, runtime configuration, scripts, and backdoor-account creation. This issue is fixed in version 1.3.3.","publishedAt":"2026-08-18T20:07:24.963Z","updatedAt":"2026-08-19T18:20:30.406Z","severity":{"score":7.5,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["frangoteam FUXA"],"affected":[{"vendor":"frangoteam","product":"FUXA","versions":[{"version":"< 1.3.3","status":"affected"}]}],"references":["https://github.com/frangoteam/FUXA/security/advisories/GHSA-rg7m-xwqc-mjw6","https://github.com/frangoteam/FUXA/pull/2379","https://github.com/frangoteam/FUXA/commit/4fa47d0a2a856ed34f427f472fb4450f86e7749b","https://github.com/frangoteam/FUXA/releases/tag/v1.3.3"],"weaknesses":["CWE-613"],"ingestedAt":"2026-10-29T20:12:41.951Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/65xxx/CVE-2026-65984.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-65984","state":"PUBLISHED","datePublished":"2026-08-18T20:07:24.963Z","dateUpdated":"2026-08-19T18:20:30.406Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-07-23T18:54:15.832Z"},"containers":{"cna":{"title":"FUXA: JWT lifecycle flaws allow deleted or demoted users to retain privileged sessions","descriptions":[{"lang":"en","value":"FUXA is a web-based Process Visualization (SCADA/HMI/Dashboard) software. In 1.3.2 and earlier, POST /api/refresh in server/api/auth/index.js falls back from current user data to decoded.groups, including when the user is deleted or groups is zero, and POST /api/heartbeat in server/api/index.js re-signs inbound JWT claims without validating the current database record. An attacker who possesses a previously issued privileged refresh cookie or access token can continue minting privileged JWTs after account deletion, disablement, role removal, or demotion. Continued refresh-cookie rotation can extend the stale session and preserve unauthorized access to user management, project manipulation, runtime configuration, scripts, and backdoor-account creation. This issue is fixed in version 1.3.3."}],"affected":[{"vendor":"frangoteam","product":"FUXA","versions":[{"version":"< 1.3.3","status":"affected"}]}],"references":[{"url":"https://github.com/frangoteam/FUXA/security/advisories/GHSA-rg7m-xwqc-mjw6","name":"https://github.com/frangoteam/FUXA/security/advisories/GHSA-rg7m-xwqc-mjw6","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/frangoteam/FUXA/pull/2379","name":"https://github.com/frangoteam/FUXA/pull/2379","tags":["x_refsource_MISC"]},{"url":"https://github.com/frangoteam/FUXA/commit/4fa47d0a2a856ed34f427f472fb4450f86e7749b","name":"https://github.com/frangoteam/FUXA/commit/4fa47d0a2a856ed34f427f472fb4450f86e7749b","tags":["x_refsource_MISC"]},{"url":"https://github.com/frangoteam/FUXA/releases/tag/v1.3.3","name":"https://github.com/frangoteam/FUXA/releases/tag/v1.3.3","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-613","lang":"en","description":"CWE-613: Insufficient Session Expiration","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-08-18T20:07:24.963Z"},"source":{"advisory":"GHSA-rg7m-xwqc-mjw6","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-19T18:03:54.266749Z","id":"CVE-2026-65984","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-19T18:20:30.406Z"}}]}}}