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CVE-2026-50016— pnpm: Transitive dependency alias path traversal allows project path override via symlink replacement

Quick assessment

Affected
pnpm pnpm
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.

pnpm是pnpm团队开源的一个包管理器。 pnpm 10.34.0之前版本和11.4.0之前版本存在路径遍历漏洞，该漏洞源于从注册表包元数据中设计的依赖别名可能包含路径遍历片段，导致安装时以该别名作为文件系统路径链接依赖节点，从而将当前项目中的路径替换为攻击者控制依赖包目录的符号链接。

CVSS 8.8 · High EPSS 0.53% · P42

Possible ATT&CK Techniques 1 AI

T1195.002 · Compromise Software Supply Chain

Affected Version Matrix 2

VendorProduct Version RangeStatus
pnpm pnpm < 10.33.4 affected
>= 11.0.0, < 11.4.0 affected
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I. Basic Information for CVE-2026-50016

Vulnerability Information
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Vulnerability Title
pnpm: Transitive dependency alias path traversal allows project path override via symlink replacement
Source: CVE Program / CVE List V5
Vulnerability Description
pnpm is a package manager. Prior to 10.34.0 and 11.4.0, pnpm allows a transitive dependency alias from registry package metadata to contain path traversal segments. During install, pnpm later uses that alias as a filesystem path when linking dependency nodes. As a result, a registry package can cause `pnpm install --ignore-scripts` to replace paths in the current project with symlinks to attacker-controlled dependency package directories. This vulnerability is fixed in 10.34.0 and 11.4.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
相对路径遍历
Source: CVE Program / CVE List V5
Vulnerability Title
pnpm 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
pnpm是pnpm团队开源的一个包管理器。 pnpm 10.34.0之前版本和11.4.0之前版本存在路径遍历漏洞，该漏洞源于从注册表包元数据中设计的依赖别名可能包含路径遍历片段，导致安装时以该别名作为文件系统路径链接依赖节点，从而将当前项目中的路径替换为攻击者控制依赖包目录的符号链接。
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
pnpm pnpm < 10.33.4 -

II. Public POCs for CVE-2026-50016

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III. Intelligence Information for CVE-2026-50016

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Vendor Advisories for CVE-2026-50016 (1)

Same Patch Batch · pnpm · 2026-06-25 · 13 CVEs total

CVE-2026-55698 8.8 HIGH pnpm: Project env lockfile can short-circuit package-manager resolution and execute lockfi
CVE-2026-55487 7.5 HIGH pnpm: manifest identity spoof satisfies allowBuilds and runs attacker lifecycle
CVE-2026-55697 7.5 HIGH pnpm: Repository-controlled configDependencies can select a pacquet native install engine
CVE-2026-50015 7.3 HIGH pnpm: Arbitrary File Write/Delete via Malicious Patch File (Path Traversal)
CVE-2026-55700 7.1 HIGH pnpm: stage download writes outside destination via manifest version traversal
CVE-2026-50021 6.8 MEDIUM pnpm: Integrity Check Bypass via Missing Lockfile Integrity Field
CVE-2026-50573 6.8 MEDIUM pnpm: Unsafe default behavior breaks integrity check
CVE-2026-55180 6.5 MEDIUM pnpm: Repository config can expand victim environment secrets into registry requests befor
CVE-2026-55699 6.5 MEDIUM pnpm: reserved bin name deletes PNPM_HOME during global remove
CVE-2026-50014 6.4 MEDIUM pnpm: Git Fetch Argument Injection via Lockfile resolution.commit
CVE-2026-48995 pnpm: Tarball hash of GitHub git dependencies is not stored in lockfile
CVE-2026-50017 pnpm binds unscoped user-level npm auth credentials to a repository-selected registry

IV. Related Vulnerabilities

Same product: pnpm
Same vendor: pnpm
Same weakness: CWE-23

V. Comments for CVE-2026-50016

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