Vulnerability in Golang Go

CVE-2025-61731

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.

EPSS: 0.005 (41.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-61731?
CVE-2025-61731 is a high-severity vulnerability in Golang Go, classified under Argument Injection. CVSS score: 7.8/10. Published 2026-01-28.
How severe is CVE-2025-61731?
High severity. CVSS v3 base score is 7.8 out of 10.