CVE-2026-27478

{"id": "CVE-2026-27478", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 3.9}]}, "published": "2026-03-11T20:16:14.810", "references": [{"url": "https://github.com/unitycatalog/unitycatalog/security/advisories/GHSA-qqcj-rghw-829x", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-290"}, {"lang": "en", "value": "CWE-346"}, {"lang": "en", "value": "CWE-1390"}]}], "descriptions": [{"lang": "en", "value": "Unity Catalog is an open, multi-modal Catalog for data and AI. In 0.4.0 and earlier, a critical authentication bypass vulnerability exists in the Unity Catalog token exchange endpoint (/api/1.0/unity-control/auth/tokens). The endpoint extracts the issuer (iss) claim from incoming JWTs and uses it to dynamically fetch the JWKS endpoint for signature validation without validating that the issuer is a trusted identity provider."}, {"lang": "es", "value": "Unity Catalog es un Cat\u00e1logo abierto y multimodal para datos e IA. En la versi\u00f3n 0.4.0 y anteriores, existe una vulnerabilidad cr\u00edtica de omisi\u00f3n de autenticaci\u00f3n en el endpoint de intercambio de tokens de Unity Catalog (/API/1.0/unity-control/auth/tokens). El endpoint extrae la declaraci\u00f3n del emisor (iss) de los JWT entrantes y la utiliza para obtener din\u00e1micamente el endpoint JWKS para la validaci\u00f3n de firmas sin validar que el emisor sea un proveedor de identidad de confianza."}], "lastModified": "2026-03-16T20:24:07.223", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:unitycatalog:unitycatalog:*:*:*:*:data:*:*:*", "vulnerable": true, "matchCriteriaId": "9F8FADA8-01BB-4960-B167-32A34E6DB6E3", "versionEndIncluding": "0.4.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}