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Vulnerability record · CVE-2026-54574 · published 29 July 2026

CVE-2026-54574: proot-distro is a utility for managing proot containers.

proot-distro is a utility for managing proot containers. Prior to version 5.1.5, proot-distro install extracted plain tarball root filesystems through _extract_plain_tar() in proot_distro/commands/install.py and Docker layers through _apply_layer() in proot_distro/helpers/docker.py without validating archive-controlled symlink targets in member.linkname, allowing a malicious archive to plant an absolute host-path symlink and write files through it onto the host filesystem. This issue is fixed in version 5.1.5.

8.2 CVSS 3.1 High EPSS 0.19% · top 92.6% CWE-61 · CWE-61 Deferred
8.2CVSS 3.1 base score
0.19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
30 Jul 2026Last modified by NVD

Description

proot-distro is a utility for managing proot containers. Prior to version 5.1.5, proot-distro install extracted plain tarball root filesystems through _extract_plain_tar() in proot_distro/commands/install.py and Docker layers through _apply_layer() in proot_distro/helpers/docker.py without validating archive-controlled symlink targets in member.linkname, allowing a malicious archive to plant an absolute host-path symlink and write files through it onto the host filesystem. This issue is fixed in version 5.1.5.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

References

LinkTags
https://github.com/termux/proot-distro/commit/a96d7a9667f38e45d812614852ee3915d1c0ae45
https://github.com/termux/proot-distro/releases/tag/v5.1.5
https://github.com/termux/proot-distro/security/advisories/GHSA-9xq3-3fqg-4vg7
https://github.com/termux/proot-distro/security/advisories/GHSA-9xq3-3fqg-4vg7

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Source: NIST National Vulnerability Database (record CVE-2026-54574), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.