termux proot-distro up to 5.1.5 path traversal

Summaryinfo

A vulnerability was found in termux proot-distro up to 5.1.5. It has been classified as problematic. This affects an unknown part. The manipulation leads to path traversal. This vulnerability is documented as CVE-2026-54727. The attack needs to be performed locally. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in termux proot-distro up to 5.1.5. This issue affects an unknown code block. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

proot-distro is a utility for managing proot containers. Prior to version 5.1.6, proot-distro restore accepted hardlink entries whose linkname referenced another installed container and did not verify that the hardlink source container matched the destination container being restored, allowing a crafted restore archive to copy files between otherwise isolated containers. This issue is fixed in version 5.1.6.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-54727 since 06/16/2026. The exploitation is known to be easy. An attack has to be approached locally. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

Upgrading to version 5.1.6 eliminates this vulnerability.

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Productinfo

Vendor

• termux

Name

• proot-distro

Version

• 5.1.0
• 5.1.1
• 5.1.2
• 5.1.3
• 5.1.4
• 5.1.5

Website

• Product: https://github.com/termux/proot-distro/

CPE 2.3info

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CPE 2.2info

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