What’s Vulnerable › Vulnerabilities

CVE-2025-61732: Potential code smuggling via doc comments in cmd/cgo

• Severity: high (CVSS 8.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-05 · updated 2026-09-10
• Weakness: CWE-94

Description

A discrepancy between how Go and C/C++ comments were parsed allowed for code smuggling into the resulting cgo binary.

Affected products

• Go: before 1.24.13; from 1.25.0 before 1.25.7 — fixed in 1.24.13, 1.25.7

How to fix

Upgrade to a fixed version: Go 1.24.13, 1.25.7. Check the vendor advisory for mitigations.

References

• https://go.dev/cl/734220
• https://go.dev/issue/76697
• https://groups.google.com/g/golang-announce/c/K09ubi9FQFk
• https://pkg.go.dev/vuln/GO-2026-4433
• https://access.redhat.com/errata/RHSA-2026:10104
• https://access.redhat.com/errata/RHSA-2026:12282
• https://access.redhat.com/errata/RHSA-2026:14100
• https://access.redhat.com/errata/RHSA-2026:14774
• https://access.redhat.com/errata/RHSA-2026:15091
• https://access.redhat.com/errata/RHSA-2026:17598
• https://access.redhat.com/errata/RHSA-2026:21691
• https://access.redhat.com/errata/RHSA-2026:2706

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