CVE-2026-56677

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-56677", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-22T16:39:01.044Z", "datePublished": "2026-08-17T21:14:06.082Z", "dateUpdated": "2026-08-18T15:41:33.884Z"}, "containers": {"cna": {"title": "9Router: Authenticated Server-Side Request Forgery (SSRF) via OIDC Provider Test Endpoint", "problemTypes": [{"descriptions": [{"cweId": "CWE-306", "lang": "en", "description": "CWE-306: Missing Authentication for Critical Function", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-918", "lang": "en", "description": "CWE-918: Server-Side Request Forgery (SSRF)", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/decolua/9router/security/advisories/GHSA-8g4w-4ffg-8vgx", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/decolua/9router/security/advisories/GHSA-8g4w-4ffg-8vgx"}], "affected": [{"vendor": "decolua", "product": "9router", "versions": [{"version": "<= 0.5.4", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-17T21:14:06.082Z"}, "descriptions": [{"lang": "en", "value": "9Router is an AI router & token saver. In 0.5.4 and earlier, the POST /api/auth/oidc/test endpoint in src/app/api/auth/oidc/test/route.js passes the user-controlled issuerUrl parameter to fetchOidcDiscovery() in src/lib/auth/oidc.js without restricting private or loopback destinations, allowing unauthenticated attackers when dashboard login is disabled to scan internal services and reflect OIDC discovery fields including token_endpoint and jwks_uri."}], "source": {"advisory": "GHSA-8g4w-4ffg-8vgx", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/decolua/9router/security/advisories/GHSA-8g4w-4ffg-8vgx", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-18T15:41:06.622400Z", "id": "CVE-2026-56677", "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": "2026-08-18T15:41:33.884Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-56677", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-18T15:41:06.622400Z"}}}], "references": [{"url": "https://github.com/decolua/9router/security/advisories/GHSA-8g4w-4ffg-8vgx", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-18T15:41:27.683Z"}}], "cna": {"title": "9Router: Authenticated Server-Side Request Forgery (SSRF) via OIDC Provider Test Endpoint", "source": {"advisory": "GHSA-8g4w-4ffg-8vgx", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.6, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}], "affected": [{"vendor": "decolua", "product": "9router", "versions": [{"status": "affected", "version": "<= 0.5.4"}]}], "references": [{"url": "https://github.com/decolua/9router/security/advisories/GHSA-8g4w-4ffg-8vgx", "name": "https://github.com/decolua/9router/security/advisories/GHSA-8g4w-4ffg-8vgx", "tags": ["x_refsource_CONFIRM"]}], "descriptions": [{"lang": "en", "value": "9Router is an AI router & token saver. In 0.5.4 and earlier, the POST /api/auth/oidc/test endpoint in src/app/api/auth/oidc/test/route.js passes the user-controlled issuerUrl parameter to fetchOidcDiscovery() in src/lib/auth/oidc.js without restricting private or loopback destinations, allowing unauthenticated attackers when dashboard login is disabled to scan internal services and reflect OIDC discovery fields including token_endpoint and jwks_uri."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-306", "description": "CWE-306: Missing Authentication for Critical Function"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-918", "description": "CWE-918: Server-Side Request Forgery (SSRF)"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-17T21:14:06.082Z"}}}, "cveMetadata": {"cveId": "CVE-2026-56677", "state": "PUBLISHED", "dateUpdated": "2026-08-18T15:41:33.884Z", "dateReserved": "2026-06-22T16:39:01.044Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-08-17T21:14:06.082Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "9router", "vendor": "decolua", "versions": [{"status": "affected", "version": "<= 0.5.4"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "9Router is an AI router & token saver. In 0.5.4 and earlier, the POST /api/auth/oidc/test endpoint in src/app/api/auth/oidc/test/route.js passes the user-controlled issuerUrl parameter to fetchOidcDiscovery() in src/lib/auth/oidc.js without restricting private or loopback destinations, allowing unauthenticated attackers when dashboard login is disabled to scan internal services and reflect OIDC discovery fields including token_endpoint and jwks_uri."}, {"lang": "es", "value": "9Router es un router de IA y ahorrador de tokens. En 0.5.4 y anteriores, el endpoint POST /api/auth/oidc/test en src/app/api/auth/oidc/test/route.js pasa el par\u00e1metro issuerUrl controlado por el usuario a fetchOidcDiscovery() en src/lib/auth/oidc.js sin restringir destinos privados o de bucle invertido, permitiendo a atacantes no autenticados cuando el inicio de sesi\u00f3n del panel de control est\u00e1 deshabilitado escanear servicios internos y reflejar campos de descubrimiento OIDC incluyendo token_endpoint y jwks_uri."}], "id": "CVE-2026-56677", "lastModified": "2026-10-23T16:10:00.313", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.7, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-56677", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-18T15:41:06.622400Z", "version": "2.0.3"}}]}, "published": "2026-08-17T22:17:14.970", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/decolua/9router/security/advisories/GHSA-8g4w-4ffg-8vgx"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/decolua/9router/security/advisories/GHSA-8g4w-4ffg-8vgx"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-306"}, {"lang": "en", "value": "CWE-918"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.5.4]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "9router", "source": "cna", "vendor": "decolua"}, "product": "9router", "vendor": "decolua"}], "created": "2026-08-17T23:45:03.767849+00:00", "updated": "2026-08-18T00:00:05.089649+00:00", "vendors": ["decolua", "decolua$PRODUCT$9router"]}