CVEvulnerability
CVE-2026-56864
7.5 HIGH
Official page ↗
- Status
- Awaiting Analysis
- Published
- 2026-08-13
- Last modified
- 2026-09-03
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-347
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
Related
Weakness · CWE (1)
- CWE-347 Improper Verification of Cryptographic Signature weakness
References
- https://go.dev/cl/815000 go.dev
- https://go.dev/cl/815020 go.dev
- https://go.dev/issue/80745 go.dev
- https://groups.google.com/g/golang-announce/c/94pEornpRlI groups.google.com
- https://pkg.go.dev/vuln/GO-2026-6180 pkg.go.dev