{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-3432", "assignerOrgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "state": "PUBLISHED", "assignerShortName": "tenable", "dateReserved": "2026-03-02T12:42:30.208Z", "datePublished": "2026-03-02T13:01:05.290Z", "dateUpdated": "2026-03-02T13:32:11.796Z" }, "containers": { "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "sim", "repo": "https://github.com/simstudioai/sim", "vendor": "SimStudioAI", "versions": [ { "lessThan": "0.5.74", "status": "affected", "version": "0", "versionType": "custom" } ] } ], "datePublic": "2026-03-02T12:55:00.000Z", "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "On SimStudio version below to 0.5.74, the `/api/auth/oauth/token` endpoint contains a code path that bypasses all authorization checks when provided with `credentialAccountUserId` and `providerId` parameters. An unauthenticated attacker can retrieve OAuth access tokens for any user by supplying their user ID and a provider name, effectively stealing credentials to third-party services." } ], "value": "On SimStudio version below to 0.5.74, the `/api/auth/oauth/token` endpoint contains a code path that bypasses all authorization checks when provided with `credentialAccountUserId` and `providerId` parameters. An unauthenticated attacker can retrieve OAuth access tokens for any user by supplying their user ID and a provider name, effectively stealing credentials to third-party services." } ], "impacts": [ { "capecId": "CAPEC-665", "descriptions": [ { "lang": "en", "value": "CAPEC-665 Exploitation of Thunderbolt Protection Flaws" } ] } ], "metrics": [ { "cvssV4_0": { "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 9.3, "baseSeverity": "CRITICAL", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-862", "description": "CWE-862 Missing Authorization", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "orgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "shortName": "tenable", "dateUpdated": "2026-03-02T13:01:05.290Z" }, "references": [ { "url": "https://www.tenable.com/security/research/tra-2026-13" } ], "source": { "discovery": "UNKNOWN" }, "title": "Sim Studio AI - Unauthenticated OAuth Token Theft", "x_generator": { "engine": "Vulnogram 0.5.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-03-02T13:32:03.820205Z", "id": "CVE-2026-3432", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "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": "2026-03-02T13:32:11.796Z" } } ] } }