{"cve":"CVE-2026-54727","nvd":{"published":"2026-07-29T17:16:53.250","modified":"2026-10-24T13:10:00.147","status":"Deferred","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N","score":8.2},"cwes":["CWE-668"],"references":["https://github.com/termux/proot-distro/commit/98aff324b7d8500ff75a8ca9ac087ee636be4716","https://github.com/termux/proot-distro/releases/tag/v5.1.6","https://github.com/termux/proot-distro/security/advisories/GHSA-7h3g-4w2f-fj2f","https://github.com/termux/proot-distro/security/advisories/GHSA-7h3g-4w2f-fj2f"],"products":[],"source":"nvd","synced_at":"2026-10-24T16:53:27.712498749+00:00"},"epss":{"cve":"CVE-2026-54727","score":0.00188,"percentile":0.08324,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-7h3g-4w2f-fj2f","url":"https://osv.dev/vulnerability/GHSA-7h3g-4w2f-fj2f","summary":"proot-distro has a Container Isolation Bypass via Crafted Restore Archive","modified":"2026-08-04T14:40:59.050956426Z","packages":[{"ecosystem":"PyPI","name":"proot-distro","purl":"pkg:pypi/proot-distro","ranges":["<5.1.6"],"fixed":["5.1.6"]}]},{"id":"PYSEC-2026-3607","url":"https://osv.dev/vulnerability/PYSEC-2026-3607","summary":"proot-distro has a Container Isolation Bypass via Crafted Restore Archive","modified":"2026-08-04T14:30:17.853704597Z","packages":[{"ecosystem":"PyPI","name":"proot-distro","purl":"pkg:pypi/proot-distro","ranges":["<5.1.6"],"fixed":["5.1.6"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}