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Advisory record · GHSA-phhq-63jg-fp7r

Contrast vulnerability allows arbitrary host data Injection into container VOLUME mount points

CVSS 5.1 MediumEPSS 0.0016 · 5th percentile

Published by the GitHub Advisory Database at 9 Jul 2025, 17:56 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
github.com/edgelesssys/contrastGo<1.9.11.9.1
Identifiers
GHSA-phhq-63jg-fp7r · CVE-2025-71424 · GO-2025-3807
Weakness (CWE)
CWE-552 · CWE-693
Tags
Published
9 Jul 2025
Updated
27 Sept 2026

Machine-written summary

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

Contrast (Go module github.com/edgelesssys/contrast) versions before 1.9.1 are vulnerable. On a bare metal Contrast deployment, when an image declares a VOLUME and Kubernetes provides no mount at that path, the host can write arbitrary data into that mount point. Upgrade to version 1.9.1, which disallows this configuration in contrast generate. Without upgrading, explicitly mount an emptyDir at every VOLUME location.

Written 1 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
5.1 Medium 4.0 CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N CNA (VulnCheck)
  • CISA KEV Not listed.
  • EPSS 0.0016, the 5th percentile, on 11 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:13 UTC First seen by agentprime
  2. 31 Oct 2026, 14:13 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.