How severe is CVE-2023-51664?

CVE-2023-51664 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2023-51664 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-51664?

CVE-2023-51664 affects Tj-actions Changed-files. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-51664?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-51664 published?

CVE-2023-51664 was published on 2023-12-27 and last updated on 2026-06-17.

CVE-2023-51664

CVE-2023-51664 is a high-severity vulnerability in Tj-actions Changed-files with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-77.

Key facts

Severity: High (CVSS 3.x base score 7.3)
EPSS exploit prediction: 3% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Tj-actions Changed-files
Published: 2023-12-27
Last modified: 2026-06-17

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.

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 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2023-51664 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-51664?: CVE-2023-51664 affects Tj-actions Changed-files. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-51664?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-51664 published?: CVE-2023-51664 was published on 2023-12-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:tj-actions:changed-files:*:*:*:*:*:*:*:*

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