{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-58273", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-29T21:54:30.332Z", "datePublished": "2026-11-05T21:56:20.677Z", "dateUpdated": "2026-11-05T21:56:20.677Z"}, "containers": {"cna": {"title": "Rucio: Authorisation Bypass on REST API endpoint for signing URLs", "problemTypes": [{"descriptions": [{"cweId": "CWE-639", "lang": "en", "description": "CWE-639: Authorization Bypass Through User-Controlled Key", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/rucio/rucio/security/advisories/GHSA-5j9r-fx4x-rpvg", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/rucio/rucio/security/advisories/GHSA-5j9r-fx4x-rpvg"}, {"name": "https://github.com/rucio/rucio/commit/64c0e6a6a93ae88427ff3b7d77532ce08c8a69ec", "tags": ["x_refsource_MISC"], "url": "https://github.com/rucio/rucio/commit/64c0e6a6a93ae88427ff3b7d77532ce08c8a69ec"}, {"name": "https://github.com/rucio/rucio/commit/8bdc38994a8766658d0314d36afc104c9242c96f", "tags": ["x_refsource_MISC"], "url": "https://github.com/rucio/rucio/commit/8bdc38994a8766658d0314d36afc104c9242c96f"}, {"name": "https://github.com/rucio/rucio/commit/8d9ba31514e6f5dca32b8c1db4738582cb37ec3a", "tags": ["x_refsource_MISC"], "url": "https://github.com/rucio/rucio/commit/8d9ba31514e6f5dca32b8c1db4738582cb37ec3a"}, {"name": "https://github.com/rucio/rucio/releases/tag/35.9.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/rucio/rucio/releases/tag/35.9.0"}, {"name": "https://github.com/rucio/rucio/releases/tag/38.6.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/rucio/rucio/releases/tag/38.6.0"}, {"name": "https://github.com/rucio/rucio/releases/tag/41.0.0rc1", "tags": ["x_refsource_MISC"], "url": "https://github.com/rucio/rucio/releases/tag/41.0.0rc1"}], "affected": [{"vendor": "rucio", "product": "rucio", "versions": [{"version": ">= 1.16.1, < 35.9.0", "status": "affected"}, {"version": ">= 36.0.0, < 38.6.0", "status": "affected"}, {"version": ">= 39.0.0, < 41.0.0rc1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-11-05T21:56:20.677Z"}, "descriptions": [{"lang": "en", "value": "Rucio is a scientific data management framework. From 1.16.1 until 35.9.0, 38.6.0, and 41.0.0rc1, the /credentials/signurl endpoint reads X-Rucio-Account instead of the account stored in request.environ['issuer'] by token authentication. Any authenticated low-privilege user can supply root as the header value and pass the root-only get_signed_url permission check. The server then returns a presigned read, write, or delete URL for an attacker-selected object using stored S3, GCS, or Swift credentials, and X-Rucio-VO can select another tenant in multi-VO deployments. This permits data disclosure, modification, deletion, and cross-tenant access on cloud-backed RSEs. This issue is fixed in versions 35.9.0, 38.6.0, and 41.0.0rc1."}], "source": {"advisory": "GHSA-5j9r-fx4x-rpvg", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "rucio", "vendor": "rucio", "versions": [{"status": "affected", "version": ">= 1.16.1, < 35.9.0"}, {"status": "affected", "version": ">= 36.0.0, < 38.6.0"}, {"status": "affected", "version": ">= 39.0.0, < 41.0.0rc1"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Rucio is a scientific data management framework. From 1.16.1 until 35.9.0, 38.6.0, and 41.0.0rc1, the /credentials/signurl endpoint reads X-Rucio-Account instead of the account stored in request.environ['issuer'] by token authentication. Any authenticated low-privilege user can supply root as the header value and pass the root-only get_signed_url permission check. The server then returns a presigned read, write, or delete URL for an attacker-selected object using stored S3, GCS, or Swift credentials, and X-Rucio-VO can select another tenant in multi-VO deployments. This permits data disclosure, modification, deletion, and cross-tenant access on cloud-backed RSEs. This issue is fixed in versions 35.9.0, 38.6.0, and 41.0.0rc1."}], "id": "CVE-2026-58273", "lastModified": "2026-11-05T22:18:49.230", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.2, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-11-05T22:18:49.230", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/rucio/rucio/commit/64c0e6a6a93ae88427ff3b7d77532ce08c8a69ec"}, {"source": "security-advisories@github.com", "url": "https://github.com/rucio/rucio/commit/8bdc38994a8766658d0314d36afc104c9242c96f"}, {"source": "security-advisories@github.com", "url": "https://github.com/rucio/rucio/commit/8d9ba31514e6f5dca32b8c1db4738582cb37ec3a"}, {"source": "security-advisories@github.com", "url": "https://github.com/rucio/rucio/releases/tag/35.9.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/rucio/rucio/releases/tag/38.6.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/rucio/rucio/releases/tag/41.0.0rc1"}, {"source": "security-advisories@github.com", "url": "https://github.com/rucio/rucio/security/advisories/GHSA-5j9r-fx4x-rpvg"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-639"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}