What is CVE-2026-54727?

CVE-2026-54727 is a high-severity vulnerability in Termux Proot-Distro, classified under Exposure of Resource to Wrong Sphere. CVSS score: 8.2/10. Published 2026-07-29.

How severe is CVE-2026-54727?

High severity. CVSS v3 base score is 8.2 out of 10.

Vulnerability in Termux Proot-Distro

CVE-2026-54727

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.

EPSS: 0.001 (2.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N.

Affected products

Termux Proot-distro — versions < 5.1.6

Weakness classification (CWE)

CWE-668 — Exposure of Resource to Wrong Sphere

References

security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-54727?: CVE-2026-54727 is a high-severity vulnerability in Termux Proot-Distro, classified under Exposure of Resource to Wrong Sphere. CVSS score: 8.2/10. Published 2026-07-29.
How severe is CVE-2026-54727?: High severity. CVSS v3 base score is 8.2 out of 10.