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CVE-2026-71477— mise: Incorrect file ownership, when installed by the root user using `install.sh`

Quick assessment

Affected
jdx mise
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

jdx mise是jdx个人开发者开源的一个多语言版本管理器。 jdx mise 2026.7.1之前版本存在权限许可和访问控制问题漏洞，该漏洞源于发布tar归档中mise/bin/mise的用户和组ID为1001，且packaging/standalone/install.envsubst在提取和移动时未规范化所有权，导致具有这些ID的本地用户可替换root安装的可执行文件。

CVSS 6.7 · Medium EPSS 0.13% · P2

Affected Version Matrix 1

VendorProduct Version RangeStatus
jdx mise < 2026.7.1 affected
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I. Basic Information for CVE-2026-71477

Vulnerability Information
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Vulnerability Title
mise: Incorrect file ownership, when installed by the root user using `install.sh`
Source: CVE Program / CVE List V5
Vulnerability Description
mise manages dev tools like node, python, cmake, and terraform. Prior to 2026.7.1, release tar archives record mise/bin/mise with user and group ID 1001 and packaging/standalone/install.envsubst extracts and moves it without normalizing ownership, allowing a local user with those IDs to replace a root-installed executable, especially when MISE_INSTALL_PATH targets a shared location such as /usr/local/bin. This issue is fixed in version 2026.7.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不安全的预留继承权限
Source: CVE Program / CVE List V5
Vulnerability Title
jdx mise 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
jdx mise是jdx个人开发者开源的一个多语言版本管理器。 jdx mise 2026.7.1之前版本存在权限许可和访问控制问题漏洞，该漏洞源于发布tar归档中mise/bin/mise的用户和组ID为1001，且packaging/standalone/install.envsubst在提取和移动时未规范化所有权，导致具有这些ID的本地用户可替换root安装的可执行文件。
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
jdx mise < 2026.7.1 -

II. Public POCs for CVE-2026-71477

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III. Intelligence Information for CVE-2026-71477

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Patches & Fixes for CVE-2026-71477 (4)

Vendor Advisories for CVE-2026-71477 (1)

Other References for CVE-2026-71477 (1)

IV. Related Vulnerabilities

Same product: mise
Same vendor: jdx
Same weakness: CWE-278

V. Comments for CVE-2026-71477

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