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CVE-2025-68119— Unexpected code execution when invoking toolchain in cmd/go

Quick assessment

Affected
Go toolchain cmd/go
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Google Go是美国谷歌（Google）公司的一种静态强类型、编译型、并发型，并具有垃圾回收功能的编程语言。 Google Go存在安全漏洞，该漏洞源于下载和构建具有恶意版本字符串的模块可能导致本地代码执行或任意文件写入。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.38% · P30

Possible ATT&CK Techniques 2 AI

T1053.003 · Cron T1059.004 · Unix Shell
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I. Basic Information for CVE-2025-68119

Vulnerability Information
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Vulnerability Title
Unexpected code execution when invoking toolchain in cmd/go
Source: CVE Program / CVE List V5
Vulnerability Description
Downloading and building modules with malicious version strings can cause local code execution. On systems with Mercurial (hg) installed, downloading modules from non-standard sources (e.g., custom domains) can cause unexpected code execution due to how external VCS commands are constructed. This issue can also be triggered by providing a malicious version string to the toolchain. On systems with Git installed, downloading and building modules with malicious version strings can allow an attacker to write to arbitrary files on the filesystem. This can only be triggered by explicitly providing the malicious version strings to the toolchain and does not affect usage of @latest or bare module paths.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Google Go 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google Go是美国谷歌（Google）公司的一种静态强类型、编译型、并发型，并具有垃圾回收功能的编程语言。 Google Go存在安全漏洞，该漏洞源于下载和构建具有恶意版本字符串的模块可能导致本地代码执行或任意文件写入。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Go toolchain cmd/go 1.25.0 ~ 1.25.6 -

II. Public POCs for CVE-2025-68119

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III. Intelligence Information for CVE-2025-68119

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Vendor Advisories for CVE-2025-68119 (1)

IV. Related Vulnerabilities

Same product: cmd/go
Same vendor: Go toolchain

V. Comments for CVE-2025-68119

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