Improper Certificate Validation Affecting grafana-mimir-3.0 package, versions <3.0.7-r0


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.57% (44th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-GRAFANAMIMIR30-17277352
  • published10 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 grafana-mimir-3.0 to version 3.0.7-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream grafana-mimir-3.0 package and not the grafana-mimir-3.0 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.

References

CVSS Base Scores

version 3.1