Local code execution via VCS option injection
Published Jan 28, 2026 · Updated Jan 28, 2026
Command injection in the Go command 1.25.0 through 1.25.5 allows local users to execute code via malicious module version strings. cmd/go passes attacker-controlled version text to Git or Mercurial VCS commands in forms those tools misinterpret as options instead of rejecting leading hyphens or slashes. Exploitation requires explicit use of a malicious version string; Mercurial enables code execution, while Git enables writes to files accessible to the invoking user.
Summary
What happened
Command injection in the Go command 1.25.0 through 1.25.5 allows local users to execute code via malicious module version strings. cmd/go passes attacker-controlled version text to Git or Mercurial VCS commands in forms those tools misinterpret as options instead of rejecting leading hyphens or slashes. Exploitation requires explicit use of a malicious version string; Mercurial enables code execution, while Git enables writes to files accessible to the invoking user.
The record
- CVE
- CVE-2025-68119
- Published
- Jan 28, 2026
- Updated
- Jan 28, 2026
- Vendor
- Go
- Product
- Go command
- Classifications
- CWE-787, CWE-78, T1059
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Jan 28, 2026CVE publishedPublication date reported by the CVE source.
- Jan 28, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=1.25.0 <1.25.6
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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