High 8.6Published Feb 4, 2026

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

Updated under an hour ago (Oct 27, 2026, 12:40 AM ET)

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It affects Go toolchain cmd/cgo and 13 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Go toolchain cmd/cgo

Exploited in the last 30 days

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

CVSS: 8.6 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Weakness (CWE): CWE-94
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Go
NVD analysis: Modified
Record last updated: Sep 10, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Go toolchain cmd/cgo go_toolchain:cmd_cgo (from the name)	before 1.24.13; from 1.25.0-0 before 1.25.7	CNA record
Red Hat Red Hat Enterprise Linux 10 redhat:enterprise_linux	from 0:1.25.7-1.el10_1 not affected	CISA ADP
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support redhat:enterprise_linux_eus	from 0:1.25.7-1.el10_0 not affected	CISA ADP
Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support redhat:rhel_aus	from 8020020260227115231.02f7cb7a not affected	CISA ADP
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On redhat:rhel_eus_long_life	from 8040020260227112052.5081a262 not affected	CISA ADP
Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service redhat:rhel_tus	from 8060020260227122329.97d7f71f not affected	CISA ADP
Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions redhat:rhel_e4s	from 8060020260227122329.97d7f71f not affected	CISA ADP
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support redhat:rhel_eus	from 0:1.21.13-14.el9_4 not affected	CISA ADP
Red Hat Red Hat Hardened Images redhat:hummingbird	from 1.26.2-1.hum1 not affected	CISA ADP
Red Hat Red Hat OpenShift Container Platform 4.12 redhat:openshift	from 1777002694 not affected	CISA ADP
1–10 of 14

References

References

https://go.dev/cl/734220	patch, product
https://go.dev/issue/76697	issue-tracking, vendor-advisory
https://groups.google.com/g/golang-announce/c/K09ubi9FQFk	mailing-list, release-notes
https://pkg.go.dev/vuln/GO-2026-4433	patch, vendor-advisory
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
1–10 of 25

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.