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CRITICAL severity

GHSA-v95x-h953-x7fg

CRITICAL

GHSA-v95x-h953-x7fg is a critical-severity (CVSS 9.8) vulnerability in k0a_multer. O3 Security confirms whether GHSA-v95x-h953-x7fg is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.

Malicious Package in k0a_multer

Published
Sep 3, 2020
Updated
Sep 30, 2021
Affected
1 pkg
Patched
None yet
Exploits
None indexed
Exploitation data as of Sep 30, 2021 · OSV.dev, FIRST.org (EPSS)

Real-World Exposure

1 pkg affected

How broadly this vulnerability is actually deployed: weekly install volume shows current usage, a proxy for how much of the ecosystem is exposed.

k0a_multernpm
2downloads / week

Description

This package contained malicious code. The package uploaded system information such as OS and hostname to a remote server.

Recommendation

Remove the package from your environment. There are no indications of further compromise.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
📦npmk0a_multer0.0.0No fix

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for k0a_multer. 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. Remediation status

    No patched version of k0a_multer has shipped for GHSA-v95x-h953-x7fg yet. Where your build allows, override or pin the dependency away from the vulnerable range, and apply any maintainer-recommended mitigation.

  3. Mitigate without a patch

    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-v95x-h953-x7fg 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-v95x-h953-x7fg. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

This package contained malicious code. The package uploaded system information such as OS and hostname to a remote server. ## Recommendation Remove the package from your environment. There are no indications of further compromise.
O3 Security · Impact-Aware SCA

Is GHSA-v95x-h953-x7fg in your dependencies?

O3 detects GHSA-v95x-h953-x7fg 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-v95x-h953-x7fg: Malicious Package in… | O3 Security