CVE-2026-56864
HIGH7.5CVSS v3
—CVSS v2
0.30%
EPSS (exploit probability)
CWE-347CWE
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
CVSS v3 vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected routers (0)
No routers currently mapped to this CVE in our database.