{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-111636", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-16T14:31:12.917Z", "datePublished": "2026-10-16T17:39:08.257Z", "dateUpdated": "2026-10-16T21:19:00.346Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-16T17:39:08.257Z" }, "datePublic": "2026-10-15T00:00:00.000Z", "title": "OpenBMB StaffDeck through 0.5.6 Authentication Bypass via Hard-Coded Session Secret", "descriptions": [ { "lang": "en", "value": "OpenBMB StaffDeck through 0.5.6 contains an authentication bypass vulnerability that allows unauthenticated attackers to forge administrator session tokens using the hard-coded default app_secret. Attackers can sign an HMAC-SHA256 token for the seeded 'admin' user in 'tenant_demo' to gain full tenant administration, including stored model and channel credentials." } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "Use of Hard-coded Cryptographic Key", "cweId": "CWE-321", "type": "CWE" } ] } ], "affected": [ { "vendor": "OpenBMB", "product": "StaffDeck", "defaultStatus": "unaffected", "versions": [ { "version": "0", "lessThanOrEqual": "0.5.6", "status": "affected", "versionType": "custom" } ], "packageURL": "pkg:github/OpenBMB/StaffDeck", "repo": "https://github.com/OpenBMB/StaffDeck" } ], "metrics": [ { "format": "CVSS", "cvssV4_0": { "version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 9.2, "baseSeverity": "CRITICAL" } }, { "format": "CVSS", "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH" } } ], "references": [ { "url": "https://hackmd.io/@hieuPenguinnn/staffdeck-default-token-signing-secret-auth-bypass", "tags": [ "third-party-advisory" ] }, { "url": "https://github.com/OpenBMB/StaffDeck/blob/v0.5.6/backend/app/config.py#L10", "tags": [ "technical-description" ] }, { "url": "https://github.com/OpenBMB/StaffDeck/blob/v0.5.6/backend/app/security/auth.py#L96-L98", "tags": [ "technical-description" ] }, { "name": "VulnCheck Advisory: OpenBMB StaffDeck through 0.5.6 Authentication Bypass via Hard-Coded Session Secret", "tags": [ "third-party-advisory" ], "url": "https://www.vulncheck.com/advisories/openbmb-staffdeck-through-0.5.6-authentication-bypass-via-hard-coded-session-secret" } ], "credits": [ { "lang": "en", "value": "hieuPenguinnn", "type": "finder" } ], "x_generator": { "engine": "vulncheck-endgame" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-10-16T20:51:52.034848Z", "id": "CVE-2026-111636", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-16T21:19:00.346Z" } } ] } }