CVE-2026-55874

{"id": "CVE-2026-55874", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-55874", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-08T16:52:14.324777Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 7.7, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 4.0, "exploitabilityScore": 3.1}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "seaweedfs", "product": "seaweedfs", "versions": [{"status": "affected", "version": "< 4.34"}]}]}], "published": "2026-07-08T15:16:30.320", "references": [{"url": "https://github.com/seaweedfs/seaweedfs/commit/b44cf51fe931bd75aa4d37ae766bea90d7f85ccd", "source": "security-advisories@github.com"}, {"url": "https://github.com/seaweedfs/seaweedfs/pull/9929", "source": "security-advisories@github.com"}, {"url": "https://github.com/seaweedfs/seaweedfs/releases/tag/4.34", "source": "security-advisories@github.com"}, {"url": "https://github.com/seaweedfs/seaweedfs/security/advisories/GHSA-56wq-x3wv-3ff4", "source": "security-advisories@github.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-22"}]}], "descriptions": [{"lang": "en", "value": "SeaweedFS is a distributed storage system. Prior to 4.34, the S3 API gateway does not reject dot-dot path segments in the X-Amz-Copy-Source header used by CopyObject and UploadPartCopy, allowing an authenticated identity scoped to one bucket to read objects from other buckets through server-side copy. This issue is fixed in version 4.34."}], "lastModified": "2026-07-08T18:16:33.270", "sourceIdentifier": "security-advisories@github.com"}