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CVE-2026-50017— pnpm binds unscoped user-level npm auth credentials to a repository-selected registry

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之前版本存在安全漏洞，该漏洞源于将用户级别的未限定npm身份验证凭据发送到由仓库本地.npmrc文件选择的注册表，可能导致凭据泄露。

AI Predicted 6.5 Difficulty: Easy EPSS 0.44% · P36

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

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-2026-50017

Vulnerability Information
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Vulnerability Title
pnpm binds unscoped user-level npm auth credentials to a repository-selected registry
Source: CVE Program / CVE List V5
Vulnerability Description
pnpm is a package manager. Prior to 10.34.0 and 11.4.0, pnpm can send user-level unscoped npm authentication credentials to a registry chosen by a repository-local .npmrc file. In the reproduced case, the user's npm config contains a default registry and an unscoped _authToken. The repository does not provide a token-bearing auth line. It only sets registry= to a different registry URL. During normal pnpm metadata/install workflows, pnpm binds the user-origin unscoped credential to the repository-selected registry and sends it as an Authorization header. This vulnerability is fixed in 10.34.0 and 11.4.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
pnpm 信息泄露漏洞
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之前版本存在安全漏洞，该漏洞源于将用户级别的未限定npm身份验证凭据发送到由仓库本地.npmrc文件选择的注册表，可能导致凭据泄露。
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-2026-50017

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III. Intelligence Information for CVE-2026-50017

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Vendor Advisories for CVE-2026-50017 (1)

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

CVE-2026-50016 8.8 HIGH pnpm: Transitive dependency alias path traversal allows project path override via symlink
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

IV. Related Vulnerabilities

Same product: pnpm
Same vendor: pnpm
Same weakness: CWE-200

V. Comments for CVE-2026-50017

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