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Advisory record · GHSA-2ccp-vqmv-4r4x

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

CVSS 6.0 MediumEPSS 0.0057 · 47th percentile

Published by the GitHub Advisory Database at 3 Feb 2025, 17:56 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.gaul:s3proxyMaven<2.6.02.6.0
Identifiers
GHSA-2ccp-vqmv-4r4x · CVE-2025-24961
Weakness (CWE)
CWE-22
Tags
Published
3 Feb 2025
Updated
4 Feb 2025

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

S3Proxy versions before 2.6.0 are vulnerable when using the filesystem or filesystem-nio2 storage backends, where local files can be unintentionally exposed to authenticated clients through path traversal. An attacker with valid client credentials could reach files outside the intended storage directory. Upgrade to S3Proxy 2.6.0, which contains the fix. The source lists no workarounds.

Written 7 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
6.0 Medium 4.0 CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0057, the 47th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 15:11 UTC First seen by agentprime
  2. 31 Oct 2026, 15:11 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.