{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-55873", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-17T16:59:42.758Z", "datePublished": "2026-07-08T14:48:37.000Z", "dateUpdated": "2026-07-08T15:33:34.018Z"}, "containers": {"cna": {"title": "SeaweedFS: Improper authorization in the S3Tables / Iceberg REST management API lets a low-privileged S3 user enumerate administrator-owned table buckets", "problemTypes": [{"descriptions": [{"cweId": "CWE-863", "lang": "en", "description": "CWE-863: Incorrect Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/seaweedfs/seaweedfs/security/advisories/GHSA-hgpf-8634-g44c", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/seaweedfs/seaweedfs/security/advisories/GHSA-hgpf-8634-g44c"}, {"name": "https://github.com/seaweedfs/seaweedfs/pull/9961", "tags": ["x_refsource_MISC"], "url": "https://github.com/seaweedfs/seaweedfs/pull/9961"}, {"name": "https://github.com/seaweedfs/seaweedfs/commit/b13463880c1fa62e255c058a9228b63cc95b4b36", "tags": ["x_refsource_MISC"], "url": "https://github.com/seaweedfs/seaweedfs/commit/b13463880c1fa62e255c058a9228b63cc95b4b36"}, {"name": "https://github.com/seaweedfs/seaweedfs/releases/tag/4.34", "tags": ["x_refsource_MISC"], "url": "https://github.com/seaweedfs/seaweedfs/releases/tag/4.34"}], "affected": [{"vendor": "seaweedfs", "product": "seaweedfs", "versions": [{"version": ">= 4.08, < 4.34", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-08T14:48:37.000Z"}, "descriptions": [{"lang": "en", "value": "SeaweedFS is a distributed storage system. In versions 4.08 through 4.33, requests signed with SigV4 service s3tables are routed to the S3Tables management API where authorization collapses account-less S3 identities into the shared admin account and fails open, allowing an authenticated low-privileged S3 user to enumerate administrator-owned table bucket names and ARNs. This issue is fixed in version 4.34."}], "source": {"advisory": "GHSA-hgpf-8634-g44c", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-08T15:33:28.325392Z", "id": "CVE-2026-55873", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"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": "2026-07-08T15:33:34.018Z"}}]}}

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-55873", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-17T16:59:42.758Z", "datePublished": "2026-07-08T14:48:37.000Z", "dateUpdated": "2026-07-08T15:33:34.018Z"}, "containers": {"cna": {"title": "SeaweedFS: Improper authorization in the S3Tables / Iceberg REST management API lets a low-privileged S3 user enumerate administrator-owned table buckets", "problemTypes": [{"descriptions": [{"cweId": "CWE-863", "lang": "en", "description": "CWE-863: Incorrect Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/seaweedfs/seaweedfs/security/advisories/GHSA-hgpf-8634-g44c", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/seaweedfs/seaweedfs/security/advisories/GHSA-hgpf-8634-g44c"}, {"name": "https://github.com/seaweedfs/seaweedfs/pull/9961", "tags": ["x_refsource_MISC"], "url": "https://github.com/seaweedfs/seaweedfs/pull/9961"}, {"name": "https://github.com/seaweedfs/seaweedfs/commit/b13463880c1fa62e255c058a9228b63cc95b4b36", "tags": ["x_refsource_MISC"], "url": "https://github.com/seaweedfs/seaweedfs/commit/b13463880c1fa62e255c058a9228b63cc95b4b36"}, {"name": "https://github.com/seaweedfs/seaweedfs/releases/tag/4.34", "tags": ["x_refsource_MISC"], "url": "https://github.com/seaweedfs/seaweedfs/releases/tag/4.34"}], "affected": [{"vendor": "seaweedfs", "product": "seaweedfs", "versions": [{"version": ">= 4.08, < 4.34", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-08T14:48:37.000Z"}, "descriptions": [{"lang": "en", "value": "SeaweedFS is a distributed storage system. In versions 4.08 through 4.33, requests signed with SigV4 service s3tables are routed to the S3Tables management API where authorization collapses account-less S3 identities into the shared admin account and fails open, allowing an authenticated low-privileged S3 user to enumerate administrator-owned table bucket names and ARNs. This issue is fixed in version 4.34."}], "source": {"advisory": "GHSA-hgpf-8634-g44c", "discovery": "UNKNOWN"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-55873", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-08T15:33:28.325392Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-08T15:33:31.160Z"}}]}}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[4.08,4.34)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "seaweedfs", "source": "cna", "vendor": "seaweedfs"}, "product": "seaweedfs", "vendor": "seaweedfs"}], "created": "2026-07-08T17:15:02.531576+00:00", "updated": "2026-07-08T17:15:02.531603+00:00", "vendors": ["seaweedfs", "seaweedfs$PRODUCT$seaweedfs"]}