CVE-2026-58372: 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 b
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.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-58372
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-583720.77% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 51% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-58372 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for SeaweedFS
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- highCVE-2026-55874: SeaweedFS is a distributed storage system. Prior to 4.34, the S3 API gateway does not reject d…nvd · 2026-07-08
- mediumCVE-2026-55873: SeaweedFS is a distributed storage system. In versions 4.08 through 4.33, requests signed with…nvd · 2026-07-08
- lowCVE-2026-58371: SeaweedFS before 4.30 reflects the callback query parameter verbatim into responses served wit…nvd · 2026-06-30
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