CVE-2026-56864 Affecting go1.27-doc package, versions <1.27.0-150000.1.6.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.3% (22nd percentile)

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  • Snyk IDSNYK-SLES154-GO127DOC-19433665
  • published31 Aug 2026
  • disclosed26 Aug 2026

Introduced: 26 Aug 2026

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

How to fix?

Upgrade SLES:15.4 go1.27-doc to version 1.27.0-150000.1.6.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream go1.27-doc package and not the go1.27-doc package as distributed by SLES. See How to fix? for SLES:15.4 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