CVE detail
CVE-2026-56864
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
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 17.9 · diversity 11.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 5
- within the 30d window
- Peak daily
- 5
- highest bucket
Evidence
Source links by recency
5 source links · newest first
- https://pkg.go.dev/vuln/GO-2026-6180pkg.go.dev
No excerpt available.
Exploitpkg.go.devAug 13, 2026, 10:17 PM - https://groups.google.com/g/golang-announce/c/94pEornpRlIgroups.google.com
No excerpt available.
Vendor Advisorygroups.google.comAug 13, 2026, 10:17 PM No excerpt available.
Exploitgo.devAug 13, 2026, 10:17 PM- https://go.dev/cl/815020go.dev
No excerpt available.
Exploitgo.devAug 13, 2026, 10:17 PM - https://go.dev/cl/815000go.dev
No excerpt available.
Exploitgo.devAug 13, 2026, 10:17 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
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