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Medium, CVSS 6.9

S3Proxy allows insecure path traversal in filesystem and filesystem-nio2 storage backends

CVE-2025-24961GHSA-2ccp-vqmv-4r4x

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (org.gaul:s3proxy 2.6.0), redeploy, then verify what is actually installed.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS 4.0
6.9 · 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 · score source
EPSS
  • CVE-2025-24961: 0.55% estimated exploitation activity in the next 30 days; percentile 45.91 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

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.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from ghsa record GHSA-2ccp-vqmv-4r4x

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: CVE-2025-24961

Advisory: S3Proxy allows insecure path traversal in filesystem and filesystem-nio2 storage backends
IDs: CVE-2025-24961, GHSA-2ccp-vqmv-4r4x
Record: https://patchnext.com/advisories/cve-2025-24961 (revision 1, source checked 26 Oct 2026, 16:34 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Medium (CVSS 6.9)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: org.gaul:s3proxy 2.6.0. A vendor fix does not mean a deployment is fixed.

## Affected components
- Maven org.gaul:s3proxy: affected < 2.6.0; fixed in 2.6.0

## Suggested inspection (read-only)
- Maven org.gaul:s3proxy: check the installed version with your package manager.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on org.gaul:s3proxy.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-2ccp-vqmv-4r4x (GitHub-reviewed advisory GHSA-2ccp-vqmv-4r4x lists affected ranges: Maven org.gaul:s3proxy >=0 <2.6.0)

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