CVE-2026-56864 Affecting snyk-cli package, versions <1.1306.4-r1


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.25% (17th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-WOLFILATEST-SNYKCLI-18797276
  • published15 Aug 2026
  • disclosed13 Aug 2026

Introduced: 13 Aug 2026

NewCVE-2026-56864  (opens in a new tab)

How to fix?

Upgrade Wolfi snyk-cli to version 1.1306.4-r1 or higher.

NVD Description

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

A malicious GOSUMDB was capable of serving arbitrary module content not contained within the transparency log. This attack allows for a coordinating GOPROXY and GOSUMDB to serve a client malicious module content that cannot be detected by evaluating the transparency log. In order to determine if you have been affected: rm -r go.sum go.work.sum vendor/ && go mod tidy