S3Proxy allows insecure path traversal in filesystem and filesystem-nio2 storage backends
Impact
Users of the filesystem and filesystem-nio2 storage backends could unintentionally expose local files to authenticated clients.
Patches
Upgrade to S3Proxy 2.6.0 which includes apache/jclouds@b0819e0ef5e08c792a4d1724b938714ce9503aa3 and 86b6ee4749aa163a78e7898efc063617ed171980.
Workarounds
None
References
Privately reported by XBOW Team @xbow-security.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.gaul:s3proxy | < 2.6.0 | 2.6.0 |
References
- https://github.com/gaul/s3proxy/security/advisories/GHSA-2ccp-vqmv-4r4x
- https://nvd.nist.gov/vuln/detail/CVE-2025-24961
- https://github.com/apache/jclouds/commit/b0819e0ef5e08c792a4d1724b938714ce9503aa3
- https://github.com/gaul/s3proxy/commit/86b6ee4749aa163a78e7898efc063617ed171980
- https://github.com/gaul/s3proxy
- CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N- Weakness (CWE)
CWE-22- Platform
- Java / Kotlin (Maven)
- Package
org.gaul:s3proxy- Disclosed
- 03.02.2025
- Updated
- 11.10.2026 12:21
Sources and licenses
OSV / GitHub Advisory Database - GHSA-2ccp-vqmv-4r4x - CC BY 4.0
Vulnerability history: org.gaul:s3proxy
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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