CVE-2025-29778HIGH 8.0EPSS p20.9%

CVE-2025-29778CVE-2025-29778

Description

Kyverno is a policy engine designed for cloud native platform engineering teams. Prior to version 1.14.0-alpha.1, Kyverno ignores subjectRegExp and IssuerRegExp while verifying artifact's sign with keyless mode. It allows the attacker to deploy kubernetes resources with the artifacts that were signed by unexpected certificate. Deploying these unauthorized kubernetes resources can lead to full compromise of kubernetes cluster. Version 1.14.0-alpha.1 contains a patch for the issue.

Scoring

CVSS 3.18.0 (HIGH)
VectorCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS0.29% probability of exploitation · percentile 20.9% · 2026-06-19T12:03:05Z
Published2025-03-24
Last modified2025-08-01

Underlying weaknesses· 1

CWE-285

References

  1. https://github.com/Mohdcode/kyverno/blob/373f942ea9fa8b63140d0eb0e101b9a5f71033f3/pkg/cosign/cosign.go#L537
  2. https://github.com/kyverno/kyverno/commit/8777672fb17bdf252bd2e7d8de3441e240404a60
  3. https://github.com/kyverno/kyverno/pull/12237
  4. https://github.com/kyverno/kyverno/security/advisories/GHSA-46mp-8w32-6g94
  5. https://github.com/kyverno/policies/issues/1246

1

TypeTargetConfidenceTier
WeaknessImproper Authorizationcwe-2850%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.