Node.js CVE-2026-24056
MEDIUM
GHSA-m733-5w8f-5ggw
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Primary rating from GitHub Advisory.
CVSS VectorGitHub Advisory
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Lifecycle Timeline
4DescriptionGitHub Advisory
pnpm is a package manager. Prior to version 10.28.2, when pnpm installs a file: (directory) or git: dependency, it follows symlinks and reads their target contents without constraining them to the package root. A malicious package containing a symlink to an absolute path (e.g., /etc/passwd, ~/.ssh/id_rsa) causes pnpm to copy that file's contents into node_modules, leaking local data. The vulnerability only affects file: and git: dependencies. Registry packages (npm) have symlinks stripped during publish and are NOT affected. The issue impacts developers installing local/file dependencies andCI/CD pipelines installing git dependencies. It can lead to credential theft via symlinks to ~/.aws/credentials, ~/.npmrc, ~/.ssh/id_rsa. Version 10.28.2 contains a patch.
AnalysisAI
pnpm versions prior to 10.28.2 fail to properly constrain symlink resolution when installing file: and git: dependencies, allowing malicious packages to copy sensitive files from the host system into node_modules and leak credentials. This affects developers using local file dependencies and CI/CD pipelines installing git-based packages, with public exploit code available. The vulnerability enables theft of credentials from locations like ~/.ssh/id_rsa and ~/.npmrc by exploiting symlinks to absolute paths outside the package root.
Technical ContextAI
Classified as CWE-22 (Path Traversal). Affects Pnpm. pnpm is a package manager. Prior to version 10.28.2, when pnpm installs a file: (directory) or git: dependency, it follows symlinks and reads their target contents without constraining them to the package root. A malicious package containing a symlink to an absolute path (e.g., /etc/passwd, ~/.ssh/id_rsa) causes pnpm to copy that file's contents into node_modules, leaking local data. The vulnerability only affects file: and git: dependencies. Registry packages (npm) have symlinks s
RemediationAI
A vendor patch is available — apply it immediately. Validate and sanitize file path inputs. Use allowlists. Restrict network access to the affected service where possible.
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Same weakness CWE-22 – Path Traversal
View allVendor StatusVendor
SUSE
Severity: MediumShare
External POC / Exploit Code
Leaving vuln.today