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GHSA-2mj8-pj3j-h362

GHSA-2mj8-pj3j-h362 is a security vulnerability in bin-links. O3 Security confirms whether GHSA-2mj8-pj3j-h362 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.

Symlink reference outside of node_modules in bin-links

Published
Sep 4, 2020
Updated
Aug 31, 2020
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Aug 31, 2020 · OSV.dev, FIRST.org (EPSS)

Real-World Exposure

1 pkg affected

How broadly this vulnerability is actually deployed: weekly install volume shows current usage, and reverse-dependency count shows how many other packages break if it stays unpatched.

86other npm packages depend on this — each one inherits the vulnerability until it's patched upstream
bin-linksnpm
7.6Mdownloads / week

Description

Versions of bin-links prior to 1.1.5 are vulnerable to a Symlink reference outside of node_modules. It is possible to create symlinks to files outside of thenode_modules folder through the bin field. This may allow attackers to access unauthorized files.

Recommendation

Upgrade to version 1.1.5 or later.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
📦npmbin-linksall versions1.1.5

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for bin-links. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.

  2. Fix

    Update bin-links to 1.1.5 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-2mj8-pj3j-h362 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 pinpoints whether GHSA-2mj8-pj3j-h362 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Tailored to GHSA-2mj8-pj3j-h362. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

Versions of `bin-links` prior to 1.1.5 are vulnerable to a Symlink reference outside of node_modules. It is possible to create symlinks to files outside of the`node_modules` folder through the `bin` field. This may allow attackers to access unauthorized files. ## Recommendation Upgrade to version 1.1.5 or later.
O3 Security · Impact-Aware SCA

Is GHSA-2mj8-pj3j-h362 in your dependencies?

O3 detects GHSA-2mj8-pj3j-h362 across npm dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

GHSA-2mj8-pj3j-h362: Symlink reference… | O3 Security