CVE-2026-15970 Affecting consul-2.0 package, versions <2.0.4-r0


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.21% (10th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-CONSUL20-19827310
  • published15 Sept 2026
  • disclosed7 Aug 2026

Introduced: 7 Aug 2026

CVE-2026-15970  (opens in a new tab)

How to fix?

Upgrade Chainguard consul-2.0 to version 2.0.4-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream consul-2.0 package and not the consul-2.0 package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

Consul Community Edition and Consul Enterprise 1.20.1 through 2.0.2 are vulnerable to an L7 intention authorization bypass when a service proxy is configured with a custom public listener. An authenticated mesh workload may reach HTTP paths that are blocked by a path-based deny intention. This vulnerability, CVE-2026-15970, is fixed in Consul 2.0.3 and Consul Enterprise 1.21.17, 1.22.11, and 2.0.3.

CVSS Base Scores

version 3.1