Insecure path traversal in filesystem and filesystem-nio2 storage backends in org.gaul S3Proxy
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-22 and the CVSS impact.
Summary
org.gaul S3Proxy implements the S3 API and proxies requests. Users of the filesystem and filesystem-nio2 storage backends could unintentionally expose local files to users. This issue has been addressed in version 2.6.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| gaul | s3proxy | before 2.6.0 | 2.6.0 | Patch available | CNA |
| — | org.gaul:s3proxy (Maven) | before 2.6.0 | 2.6.0 | Patch available | GHSA-2ccp-vqmv-4r4x |
- s3proxy Vendorgaul Affected before 2.6.0 Fixed in 2.6.0 Patch available CNA
- org.gaul:s3proxy (Maven) Vendor— Affected before 2.6.0 Fixed in 2.6.0 Patch available GHSA-2ccp-vqmv-4r4x
Remediation
- Fix · CNA s3proxy (gaul) Fixed in 2.6.0
- Fix · GHSA-2ccp-vqmv-4r4x org.gaul:s3proxy (Maven) Fixed in 2.6.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2025-24961
- 2026-10-03 Alias added: GHSA-2ccp-vqmv-4r4x
References
Sources
- CVE-2025-24961 · CVE Program
- CVE-2025-24961 · NVD
- FIRST EPSS
- GHSA-2ccp-vqmv-4r4x · GitHub Advisory Database · CC BY 4.0
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