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CVE-2026-58372

8.1 · HIGH

SeaweedFS before 4.34 contains a path traversal vulnerability in the S3 gateway DeleteMultipleObjectsHandler that allows authenticated S3 principals with write access to a single bucket to delete a…

Published Jun 30, 2026CWE-22EPSS 0.87%

Overview

CVE-2026-58372 is a high-severity vulnerability. It was published on June 30, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

SeaweedFS before 4.34 contains a path traversal vulnerability in the S3 gateway DeleteMultipleObjectsHandler that allows authenticated S3 principals with write access to a single bucket to delete arbitrary objects in other tenants' buckets by supplying object keys containing ../ sequences in the DeleteObjects XML request body. Attackers can bypass authorization controls through a confused deputy condition, as the validateRequestPath middleware only inspects URL-captured path variables and never examines request-body keys, allowing the filer path to collapse directory traversal sequences and resolve deletions outside the authorized bucket.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/geo-chen/oss/blob/main/seaweedfs.mdGitHubgithub.com/seaweedfs/seaweedfs/commit/0345658ea8e7c6a3948ad190634b00866ec244c9GitHubgithub.com/seaweedfs/seaweedfs/pull/9931GitHubgithub.com/seaweedfs/seaweedfs/releases/tag/4.34GitHubgithub.com/seaweedfs/seaweedfs/security/advisories/GHSA-w62w-66v9-vvgvRefwww.vulncheck.com/advisories/seaweedfs-cross-bucket-object-deletion-via-deleteobjects-request-body-keysGitHubgithub.com/seaweedfs/seaweedfs/security/advisories/GHSA-w62w-66v9-vvgv

How CyberStrike helps

Frequently asked questions

What is CVE-2026-58372?

CVE-2026-58372 is a high-severity vulnerability. It was published on June 30, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).

How severe is CVE-2026-58372?

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-58372?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-58372?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-58372 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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