CVE-2026-56864: fallo de gravedad alta en golang.org/x/mod/sumdb
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Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 7.5epss 0.3%
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVEs relacionadas — golang.org/x/mod/sumdb
En el mismo producto, de las más peligrosas a las menos.
CVE-2020-28367—Arbitrary code execution via the go command with cgo in cmd/goEPSS 2.4%CVE-2020-28366—Arbitrary code execution in go command with cgo in cmd/go and cmd/cgoEPSS 2.3%CVE-2023-39323HIGHArbitrary code execution during build via line directives in cmd/goEPSS 1.9%CVE-2023-29404CRITICALImproper handling of non-optional LDFLAGS in go command with cgo in cmd/goEPSS 1.8%CVE-2023-39320—Arbitrary code execution via go.mod toolchain directive in cmd/goEPSS 1.8%CVE-2023-29405CRITICALImproper sanitization of LDFLAGS with embedded spaces in go command with cgo in cmd/goEPSS 1.7%