halo-dev halo up to 2.24.2 Theme Installation ThemeUtils.java ThemeUtils.unzipThemeTo metadata.name path traversal

Summaryinfo

A vulnerability was found in halo-dev halo up to 2.24.2. It has been rated as critical. This impacts the function ThemeUtils.unzipThemeTo of the file ThemeUtils.java of the component Theme Installation. Performing a manipulation of the argument metadata.name results in path traversal. This vulnerability is known as CVE-2026-15326. Remote exploitation of the attack is possible. Furthermore, an exploit is available. The project closed the issue as "duplicate" but did not reference any other issue, report, or CVE.

Detailsinfo

A vulnerability, which was classified as problematic, was found in halo-dev halo up to 2.24.2. This affects the function ThemeUtils.unzipThemeTo of the file ThemeUtils.java of the component Theme Installation. The manipulation of the argument metadata.name with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on integrity, and availability.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-15326. The exploitability is told to be easy. It is possible to initiate the attack remotely. The exploitation requires an enhanced level of successful authentication. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1006 for this issue.

The exploit is shared for download at github.com. It is declared as proof-of-concept. The project closed the issue as "duplicate" but did not reference any other issue, report, or CVE.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• halo-dev

Name

• halo

Version

• 2.24.0
• 2.24.1
• 2.24.2

Website

• Product: https://github.com/halo-dev/halo/

CPE 2.3info

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CPE 2.2info

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Submitinfo

Accepted

• Submit #853064: halo <=2.24.2 Arbitrary File Write(AFW) (by rekczh)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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