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.

  • Published Jan 28, 2026
  • CVSS 7.8 high
  • 0.6% chance of exploitation in the next 30 days (EPSS)
  • A fix is available

Affected software

In the news

CVE-2025-61731 at the National Vulnerability Database