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Vulnerabilities

Vulnerability · CVE-2025-68119

Downloading and building modules with malicious version strings can cause local code execution.

Published Jan 28, 2026 · catalog updated Feb 26, 2026 · Go toolchain

Last checked Nov 6, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-68119. EPSS is 0.38%. Act only if a listed version of Go toolchain is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High7.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.38%
Remediation
Version ranges on file
Affected products
vendor Go toolchain cmd/go 1.25.0 <1.25.6

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 t

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Go toolchain cmd/go 1.25.0 <1.25.61.25.0 <1.25.6

How to fix CVE-2025-68119

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-68119. EPSS is 0.38%. Act only if a listed version of Go toolchain is installed.

Which versions are affected?

Compare what you have installed with Go toolchain cmd/go 1.25.0 <1.25.6 1.25.0 <1.25.6. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.38%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 28, 2026 · EUVD

    Detected

    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

  2. Feb 26, 2026 · EUVD

    Updated

    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

Sources

  • CVE.orgVulnerability recordCVE-2025-68119

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-68119

    30-day exploitation probability 0.38%

    first.org
  • EUVDVulnerability recordEUVD-2025-206446

    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

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 6, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 6, 2026
  • CVE.orgNov 4, 2026
  • EUVDNov 2, 2026