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CVE
CVE
•added 2026/08/26 9:31 p.m.•30 views

CVE-2026-77611

SeaweedFS (a distributed storage system for files and blobs) contains an object-scope bypass in its S3 PutObjectAcl handler, affecting versions prior to 4.40 . An authenticated S3 principal with permissions scoped to a nested key (e.g., allowed/protected.txt) can overwrite a different object outs...

7.1CVSS6.9AI score0.00384EPSS
SaveExploits0References2
Vulnrichment
Vulnrichment
•added 2026/08/26 9:31 p.m.•11 views

CVE-2026-77611 SeaweedFS: Authenticated S3 object-scope bypass in PutObjectAcl allows overwriting a different object with the same basename

SeaweedFS is a distributed storage system for files and blobs. In versions prior to 4.40, an authenticated S3 principal with permissions scoped to a nested object key can overwrite a different object outside that scope by calling PutObjectAcl on the key it is allowed to access. The handler...

7.1CVSS6.9AI score0.00384EPSS
SaveExploits0References2
Cvelist
Cvelist
•added 2026/08/26 9:31 p.m.•43 views

CVE-2026-77611 SeaweedFS: Authenticated S3 object-scope bypass in PutObjectAcl allows overwriting a different object with the same basename

SeaweedFS is a distributed storage system for files and blobs. In versions prior to 4.40, an authenticated S3 principal with permissions scoped to a nested object key can overwrite a different object outside that scope by calling PutObjectAcl on the key it is allowed to access. The handler...

7.1CVSS0.00384EPSS
SaveExploits0References2
OSV
OSV
•added 2026/08/26 9:31 p.m.•19 views

CVE-2026-77611 SeaweedFS: Authenticated S3 object-scope bypass in PutObjectAcl allows overwriting a different object with the same basename

SeaweedFS is a distributed storage system for files and blobs. In versions prior to 4.40, an authenticated S3 principal with permissions scoped to a nested object key can overwrite a different object outside that scope by calling PutObjectAcl on the key it is allowed to access. The handler...

7.1CVSS5.5AI score
SaveExploits0References4
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