CVE-2025-61731
HIGH7.8EPSS 0.01%Arbitrary file write using cgo pkg-config directive in cmd/go
Published: 1/28/2026Modified: 5/15/2026
Description
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.
Affected packages (6)
- Bitnami/golangfrom 0, < 1.24.12, >= 1.25.0, < 1.25.6
- Debian/golang-1.15from 0
- Debian/golang-1.19from 0
- Debian/golang-1.24from 0
- Debian/golang-1.25from 0, < 1.25.6-1
- Go/toolchainfrom 0, < 1.24.12, >= 1.25.0, < 1.25.6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |