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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00532.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Go toolchain cmd/go unaffected
Version Status Constraints
0 affected < 1.24.12
1.25.0 affected < 1.25.6

Configuration 1 [-]

OR cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*
cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors Products
Gotoolchain Subscribe
Cmd/go Subscribe

Project Subscriptions

Vendors Products
Golang Subscribe
Go Subscribe
Gotoolchain Subscribe
Cmd/go Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://access.redhat.com/errata/RHSA-2026:12118 cve-icon
https://access.redhat.com/errata/RHSA-2026:12282 cve-icon
https://access.redhat.com/errata/RHSA-2026:13736 cve-icon
https://access.redhat.com/errata/RHSA-2026:14100 cve-icon
https://access.redhat.com/errata/RHSA-2026:14774 cve-icon
https://access.redhat.com/errata/RHSA-2026:15091 cve-icon
https://access.redhat.com/errata/RHSA-2026:17598 cve-icon
https://access.redhat.com/errata/RHSA-2026:20088 cve-icon
https://access.redhat.com/errata/RHSA-2026:21691 cve-icon
https://access.redhat.com/errata/RHSA-2026:3556 cve-icon
https://access.redhat.com/errata/RHSA-2026:3559 cve-icon
https://access.redhat.com/errata/RHSA-2026:3855 cve-icon
https://access.redhat.com/errata/RHSA-2026:4434 cve-icon
https://access.redhat.com/errata/RHSA-2026:5941 cve-icon
https://access.redhat.com/errata/RHSA-2026:5942 cve-icon
https://access.redhat.com/errata/RHSA-2026:5943 cve-icon
https://access.redhat.com/errata/RHSA-2026:5944 cve-icon
https://access.redhat.com/errata/RHSA-2026:5948 cve-icon
https://access.redhat.com/errata/RHSA-2026:5950 cve-icon
https://access.redhat.com/errata/RHSA-2026:5952 cve-icon
https://access.redhat.com/errata/RHSA-2026:6949 cve-icon
https://access.redhat.com/errata/RHSA-2026:7291 cve-icon
https://access.redhat.com/errata/RHSA-2026:7385 cve-icon
https://access.redhat.com/errata/RHSA-2026:7833 cve-icon
https://access.redhat.com/errata/RHSA-2026:7834 cve-icon
https://access.redhat.com/errata/RHSA-2026:7876 cve-icon
https://access.redhat.com/errata/RHSA-2026:7877 cve-icon
https://access.redhat.com/errata/RHSA-2026:7878 cve-icon
https://access.redhat.com/errata/RHSA-2026:7879 cve-icon
https://access.redhat.com/errata/RHSA-2026:7883 cve-icon
https://access.redhat.com/errata/RHSA-2026:8448 cve-icon
https://access.redhat.com/security/cve/CVE-2025-61731 cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=2434433 cve-icon
https://go.dev/cl/736711 cve-icon cve-icon cve-icon
https://go.dev/issue/77100 cve-icon cve-icon cve-icon
https://groups.google.com/g/golang-announce/c/Vd2tYVM8eUc cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-61731 cve-icon
https://pkg.go.dev/vuln/GO-2026-4339 cve-icon cve-icon cve-icon
https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-61731.json cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-61731 cve-icon
History

Fri, 06 Feb 2026 18:45:00 +0000

Type Values Removed Values Added
First Time appeared Golang
Golang go
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*
Vendors & Products Golang
Golang go

Thu, 05 Feb 2026 00:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-88
References
Metrics threat_severity

None

 threat_severity

Important

Thu, 29 Jan 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Thu, 29 Jan 2026 10:15:00 +0000

Type Values Removed Values Added
First Time appeared Gotoolchain
Gotoolchain cmd/go
Vendors & Products Gotoolchain
Gotoolchain cmd/go

Wed, 28 Jan 2026 19:45:00 +0000

Type Values Removed Values Added
Description 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.
Title Arbitrary file write using cgo pkg-config directive in cmd/go
References

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: Go

Published:

Updated: 2026-08-10T12:05:40.340Z

Reserved: 2025-09-30T15:05:03.605Z

Link: CVE-2025-61731

cve-icon Vulnrichment

Updated: 2026-08-10T12:05:40.340Z

cve-icon NVD

Status : Modified

Published: 2026-01-28T20:16:10.073

Modified: 2026-08-10T13:17:34.380

Link: CVE-2025-61731

cve-icon Redhat

Severity : Important

Publid Date: 2026-01-28T19:30:30Z

Links: CVE-2025-61731 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-01-29T09:08:43Z

Weaknesses