CVE-2023-51664: tj-actions/changed-files is a Github action to retrieve all files and directories. Prior to 41.0.0, the `tj-actions/changed-files` workflow allows for...

Description

tj-actions/changed-files is a Github action to retrieve all files and directories. Prior to 41.0.0, the `tj-actions/changed-files` workflow allows for command injection in changed filenames, allowing an attacker to execute arbitrary code and potentially leak secrets. This issue may lead to arbitrary command execution in the GitHub Runner. This vulnerability has been addressed in version 41.0.0. Users are advised to upgrade.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

3.35%

87.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Tj-Actions	Changed-Files	< 41.0.0

References

Timeline

Published: Dec 27, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-51664?

tj-actions/changed-files is a Github action to retrieve all files and directories. Prior to 41.0.0, the `tj-actions/changed-files` workflow allows for command injection in changed filenames, allowing an attacker to execute arbitrary code and potentially leak secrets. This issue may lead to arbitrary command execution in the GitHub Runner. This vulnerability has been addressed in version 41.0.0. Users are advised to upgrade.

How severe is CVE-2023-51664?

CVE-2023-51664 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.35% probability of exploitation in the next 30 days.

How do I fix CVE-2023-51664?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.