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Advisory record · GHSA-f5p4-p5q5-jv3h

Contrast has insecure LUKS2 persistent storage partitions may be opened and used

CVSS 6.9 MediumEPSS 0.0007 · 1st percentile

Published by the GitHub Advisory Database at 28 Oct 2025, 17:49 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
github.com/edgelesssys/contrastGo<1.12.11.12.1
Identifiers
GHSA-f5p4-p5q5-jv3h · CVE-2025-71422 · GO-2025-4078
Weakness (CWE)
CWE-347 · CWE-552
Tags
Published
28 Oct 2025
Updated
27 Sept 2026

Machine-written summary

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

Contrast before 1.12.1 is affected: a malicious host can supply a crafted LUKS2 volume to a pod VM using the secure persistent volume feature, and the guest opens it with an attacker-known key, so data written to it can be read by the attacker. Upgrade to Contrast 1.12.1 or later, which ships a cryptsetup version that rejects null keyslot ciphers; the source notes that later releases (1.13.0) add further hardening and integrity protection.

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
6.9 Medium 4.0 CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N CNA (VulnCheck)
  • CISA KEV Not listed.
  • EPSS 0.0007, the 1st percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:12 UTC First seen by agentprime
  2. 31 Oct 2026, 14:12 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.