Shell Command Construction Vulnerability in Thor by Rails
CVE-2025-54314

2.8LOW

Key Information:

Vendor

Rubyonrails

Status
Thor
Vendor
CVE Published:
20 July 2025

What is CVE-2025-54314?

The Thor library, used for creating command-line interfaces, contains a vulnerability that allows an attacker to construct unsafe shell commands by leveraging library input. This issue arises in versions prior to 1.4.0, posing a risk when untrusted data is processed. Users are strongly advised to upgrade to the latest version to mitigate this security risk and ensure safer command execution.

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Deploy the Patch

Affected Version(s)

Thor 0 < 1.4.0

References

https://github.com/rails/thor/commit/536b79036a0efb765c18...
https://hackerone.com/reports/3260153
https://github.com/rails/thor/pull/897

CVSS V3.1

Score:
2.8
Severity:
LOW
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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