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CVE-2026-54727— proot-distro has a Container Isolation Bypass via Crafted Restore Archive

Quick assessment

Affected
termux proot-distro
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Termux PRoot-Distro是Termux组织开源的一个管理 Linux 发行版的虚拟化工具。 Termux PRoot-Distro 5.1.6之前版本存在权限许可和访问控制问题漏洞，该漏洞源于恢复过程中接受硬链接条目但未验证源容器与目标容器匹配，导致攻击者可通过特制的恢复归档文件在隔离容器间复制文件。

CVSS 8.2 · High EPSS 0.19% · P8

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
termux proot-distro < 5.1.6 affected
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I. Basic Information for CVE-2026-54727

Vulnerability Information
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Vulnerability Title
proot-distro has a Container Isolation Bypass via Crafted Restore Archive
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
将资源暴露给错误范围
Source: CVE Program / CVE List V5
Vulnerability Title
Termux PRoot-Distro 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Termux PRoot-Distro是Termux组织开源的一个管理 Linux 发行版的虚拟化工具。 Termux PRoot-Distro 5.1.6之前版本存在权限许可和访问控制问题漏洞，该漏洞源于恢复过程中接受硬链接条目但未验证源容器与目标容器匹配，导致攻击者可通过特制的恢复归档文件在隔离容器间复制文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
termux proot-distro < 5.1.6 -

II. Public POCs for CVE-2026-54727

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 16758 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-54727

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Patches & Fixes for CVE-2026-54727 (1)

Vendor Advisories for CVE-2026-54727 (1)

Vendor Pages for CVE-2026-54727 (1)

IV. Related Vulnerabilities

Same product: proot-distro
Same vendor: termux
Same weakness: CWE-668