Improper Certificate Validation Affecting fluxcd-source-controller package, versions <1.9.0-r0


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.37% (29th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-FLUXCDSOURCECONTROLLER-17377648
  • published19 Jun 2026
  • disclosed22 May 2026

Introduced: 22 May 2026

CVE-2026-42508  (opens in a new tab)
CWE-295  (opens in a new tab)

How to fix?

Upgrade Minimos:latest fluxcd-source-controller to version 1.9.0-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream fluxcd-source-controller package and not the fluxcd-source-controller package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked.

CVSS Base Scores

version 3.1