CVE-2026-56864 Affecting renovate package, versions <44.115.4-r0


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.3% (21st percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-RENOVATE-20146941
  • published26 Sept 2026
  • disclosed13 Aug 2026

Introduced: 13 Aug 2026

CVE-2026-56864  (opens in a new tab)

How to fix?

Upgrade Chainguard renovate to version 44.115.4-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream renovate package and not the renovate package as distributed by Chainguard. See How to fix? for Chainguard 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

CVSS Base Scores

version 3.1