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Security Advisories

GO-2026-6180

https://pkg.go.dev/vuln/GO-2026-6180

Severity

Unknown
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Summary

Ignore unrelated, unauthenticated hashes in Lookup in golang.org/x/mod/sumdb

Description

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

  • https://nvd.nist.gov/vuln/detail/CVE-2026-56864

Affected packages


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