RCE in Golang Go
CVE-2025-61732
A discrepancy between how Go and C/C++ comments were parsed allowed for code smuggling into the resulting cgo binary.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (39.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- Golang Go
- Go Toolchain Cmd/cgo — versions 0, 1.25.0-0
Weakness classification (CWE)
References
- go.dev/cl/734220 (Product, Patch)
- go.dev/issue/76697 (Issue Tracking, Vendor Advisory)
- groups.google.com/g/golang-announce/c/K09ubi9FQFk (Mailing List, Release Notes)
- pkg.go.dev/vuln/GO-2026-4433 (Patch, Vendor Advisory)
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Frequently asked questions
- What is CVE-2025-61732?
- CVE-2025-61732 is a high-severity vulnerability in Golang Go, classified under Code Injection. CVSS score: 8.6/10. Published 2026-02-05.
- How severe is CVE-2025-61732?
- High severity. CVSS v3 base score is 8.6 out of 10.