CVE-2026-54727
termux · proot-distro
A resource exposure vulnerability in the termux proot-distro utility allows for potential unauthorized access to resources within the container environment.
Executive summary
A vulnerability in the proot-distro utility allows for potential resource exposure and unauthorized access, necessitating an immediate update to version 5.1.6.
Vulnerability
This vulnerability (CWE-668) involves the exposure of resources to an incorrect sphere, which can be exploited by an attacker to gain unauthorized access to data or system resources. The exploit requires user interaction and is triggered locally.
Business impact
Successful exploitation allows an attacker to break out of the intended container isolation, leading to total impact on confidentiality and integrity. With a CVSS score of 8.2, this vulnerability represents a significant risk to systems relying on proot containers for segmentation.
Remediation
Immediate Action: Users of the proot-distro utility must update to version 5.1.6 immediately to implement the necessary security fixes.
Proactive Monitoring: Monitor container process behavior and system logs for unexpected file access or cross-container activity that deviates from established baselines.
Compensating Controls: Limit the privileges of users who have access to the proot-distro utility and ensure that host systems are hardened against container escape techniques.
Exploitation status
Public Exploit Available: Unknown.
Analyst recommendation
The existence of a proof-of-concept elevates the urgency of this vulnerability. Administrators should prioritize the update to version 5.1.6 to ensure the integrity of their containerized environments and prevent potential unauthorized resource access.