How severe is GHSA-v95x-h953-x7fg?

GHSA-v95x-h953-x7fg has a CVSS score of 9.8/10, rated CRITICAL. Immediate patching is strongly recommended.

Which packages are affected by GHSA-v95x-h953-x7fg?

GHSA-v95x-h953-x7fg affects the following packages: k0a_multer (npm). Ecosystems affected: npm.

How do I fix GHSA-v95x-h953-x7fg?

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.

How do I detect GHSA-v95x-h953-x7fg in my npm dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for k0a_multer, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate GHSA-v95x-h953-x7fg if there is no patch (or I can't update yet)?

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.

Is GHSA-v95x-h953-x7fg actively exploited in the wild?

No public exploit code has been indexed for GHSA-v95x-h953-x7fg yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

When was GHSA-v95x-h953-x7fg published, and has it been updated?

GHSA-v95x-h953-x7fg was published on September 3, 2020 and was last updated on September 30, 2021. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

📦

📦 npm

Not in CISA KEV

CRITICAL severity

Malicious Package in k0a_multerGHSA-v95x-h953-x7fg

CRITICAL

GHSA-v95x-h953-x7fg is a critical-severity (CVSS 9.8) vulnerability in k0a_multer. No vendor fix is recorded yet; mitigation options are listed below.

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

📦k0a_multer

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects npm packages — download data is not available via public APIs for these ecosystems.

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

Ecosystem	Package	Vulnerable range	Fix
📦npm	`k0a_multer`	≥ 0.0.0	No fix

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for k0a_multer, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
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.
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.

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

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