{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-61684", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-10T18:36:58.849Z", "datePublished": "2026-07-15T14:28:22.480Z", "dateUpdated": "2026-07-15T15:07:19.325Z" }, "containers": { "cna": { "title": "FastGPT: Unauthenticated cross-tenant data access via forgeable plugin-invoke JWT (default INVOKE_TOKEN_SECRET='token')", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-798", "lang": "en", "description": "CWE-798: Use of Hard-coded Credentials", "type": "CWE" } ] } ], "metrics": [ { "cvssV4_0": { "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.8, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N", "version": "4.0" } } ], "references": [ { "name": "https://github.com/labring/FastGPT/security/advisories/GHSA-w732-rq8c-chc8", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/labring/FastGPT/security/advisories/GHSA-w732-rq8c-chc8" }, { "name": "https://github.com/labring/FastGPT/pull/7170", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/labring/FastGPT/pull/7170" }, { "name": "https://github.com/labring/FastGPT/commit/f5f1e58b25571b7107ca49d9bf96bb2b0e0a620a", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/labring/FastGPT/commit/f5f1e58b25571b7107ca49d9bf96bb2b0e0a620a" }, { "name": "https://github.com/labring/FastGPT/releases/tag/v4.15.0-beta5", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/labring/FastGPT/releases/tag/v4.15.0-beta5" } ], "affected": [ { "vendor": "labring", "product": "FastGPT", "versions": [ { "version": "= 4.15.0-beta4", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-15T14:28:22.480Z" }, "descriptions": [ { "lang": "en", "value": "FastGPT is a knowledge-based AI application platform. In 4.15.0-beta4, FastGPT plugin invoke reverse-call endpoints under /api/invoke/* authenticate only by verifying a JWT signed with INVOKE_TOKEN_SECRET, which defaults to the constant string token and was not set in official deployment templates. An unauthenticated attacker can self-sign an HS256 JWT and reach /api/invoke/userInfo to disclose cross-tenant user PII by attacker-supplied tmbId values, or /api/invoke/fileUpload to write attacker-controlled content into chat files. This issue is fixed in version 4.15.0-beta5." } ], "source": { "advisory": "GHSA-w732-rq8c-chc8", "discovery": "UNKNOWN" } }, "adp": [ { "references": [ { "url": "https://github.com/labring/FastGPT/security/advisories/GHSA-w732-rq8c-chc8", "tags": [ "exploit" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-07-15T15:07:14.784543Z", "id": "CVE-2026-61684", "options": [ { "Exploitation": "poc" }, { "Automatable": "yes" }, { "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": "2026-07-15T15:07:19.325Z" } } ] } }