๐Ÿ” CVE Alert

CVE-2025-61731

HIGH 7.8

Arbitrary file write using cgo pkg-config directive in cmd/go

CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th

Building a malicious file with cmd/go can cause can cause a write to an attacker-controlled file with partial control of the file content. The "#cgo pkg-config:" directive in a Go source file provides command-line arguments to provide to the Go pkg-config command. An attacker can provide a "--log-file" argument to this directive, causing pkg-config to write to an attacker-controlled location.

Vendor go toolchain
Product cmd/go
Published Jan 28, 2026
Last Updated Jul 20, 2026
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Affected Versions

Go toolchain / cmd/go
0 < 1.24.12 1.25.0 < 1.25.6

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
go.dev: https://go.dev/cl/736711 go.dev: https://go.dev/issue/77100 groups.google.com: https://groups.google.com/g/golang-announce/c/Vd2tYVM8eUc pkg.go.dev: https://pkg.go.dev/vuln/GO-2026-4339 access.redhat.com: https://access.redhat.com/security/cve/CVE-2025-61731 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2434433 security.access.redhat.com: https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-61731.json access.redhat.com: https://access.redhat.com/errata/RHSA-2026:5943 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:5941 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:6949 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:7878 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:7879 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:7876 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:7877 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:7883 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:7833 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:7834 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:5944 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:5942 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:7385 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:7291 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:12282 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:14100 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:21691 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:15091 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:14774 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:20088 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:17598 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:12118 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:8448 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:13736 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:4434 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:3855 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:3559 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:3556 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:5948 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:5950 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:5952

Credits

RyotaK (https://ryotak.net) of GMO Flatt Security Inc.