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CVE-2026-59196— pnpm: hoisted install imports lockfile alias outside node_modules

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 10.34.4之前版本和11.0.0至11.7.0之前版本存在安全漏洞，该漏洞源于特制的lockfile别名可被直接连接到提升的node_modules目录下，遍历别名可能导致绕过目录限制，而.bin或.pnpm等保留别名可能覆盖pnpm自有布局。

CVSS 7.1 · High EPSS 0.40% · P32

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 2

VendorProduct Version RangeStatus
pnpm pnpm < 10.34.4 affected
>= 11.0.0, < 11.7.0 affected
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I. Basic Information for CVE-2026-59196

Vulnerability Information
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Vulnerability Title
pnpm: hoisted install imports lockfile alias outside node_modules
Source: CVE Program / CVE List V5
Vulnerability Description
pnpm is a package manager. Prior to 10.34.4 and 11.7.0, a crafted lockfile alias could be joined directly under a hoisted node_modules directory. Traversal aliases could escape that directory, while reserved aliases such as .bin or .pnpm could overwrite pnpm-owned layout. This vulnerability is fixed in 10.34.4 and 11.7.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(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 10.34.4之前版本和11.0.0至11.7.0之前版本存在安全漏洞，该漏洞源于特制的lockfile别名可被直接连接到提升的node_modules目录下，遍历别名可能导致绕过目录限制，而.bin或.pnpm等保留别名可能覆盖pnpm自有布局。
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 < 10.34.4 -

II. Public POCs for CVE-2026-59196

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III. Intelligence Information for CVE-2026-59196

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Vendor Advisories for CVE-2026-59196 (1)

Same Patch Batch · pnpm · 2026-07-06 · 3 CVEs total

CVE-2026-59195 8.2 HIGH pnpm: Path traversal in configDependencies env lockfile allows symlink creation outside no
CVE-2026-59194 7.1 HIGH pnpm: patch-remove could delete project-selected files outside the patches directory

IV. Related Vulnerabilities

Same product: pnpm
Same vendor: pnpm
Same weakness: CWE-22

V. Comments for CVE-2026-59196

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