How severe is GHSA-5mrr-rgp6-x4gr?

No CVSS score has been assigned to GHSA-5mrr-rgp6-x4gr yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by GHSA-5mrr-rgp6-x4gr?

GHSA-5mrr-rgp6-x4gr affects the following packages: marsdb (npm). Ecosystems affected: npm.

How do I fix GHSA-5mrr-rgp6-x4gr?

No patched version of marsdb has shipped for GHSA-5mrr-rgp6-x4gr 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-5mrr-rgp6-x4gr in my npm dependencies?

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

How do I mitigate GHSA-5mrr-rgp6-x4gr if there is no patch (or I can't update yet)?

Stop passing untrusted input into the interpreter or shell: call the affected binary with an argument array rather than a composed command string, reject anything outside a strict allowlist of expected values, and run the component under an account that cannot reach beyond the work it legitimately does.

Is GHSA-5mrr-rgp6-x4gr actively exploited in the wild?

No public exploit code has been indexed for GHSA-5mrr-rgp6-x4gr 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-5mrr-rgp6-x4gr published, and has it been updated?

GHSA-5mrr-rgp6-x4gr was published on September 3, 2020 and was last updated on August 31, 2020. 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

Command Injection in marsdbGHSA-5mrr-rgp6-x4gr

GHSA-5mrr-rgp6-x4gr is a remote code execution vulnerability in marsdb. No vendor fix is recorded yet; mitigation options are listed below.

Published

Sep 3, 2020

Updated

Aug 31, 2020

Affected

1 pkg

Patched

None yet

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.

5other npm packages depend on this — each one inherits the vulnerability until it's patched upstream

marsdbnpm

18Kdownloads / week

Description

All versions of marsdb are vulnerable to Command Injection. In the DocumentMatcher class, selectors on $where clauses are passed to a Function constructor unsanitized. This allows attackers to run arbitrary commands in the system when the function is executed.

Recommendation

No fix is currently available. Consider using an alternative package until a fix is made available.

Affected Packages

1 total

Ecosystem	Package	Vulnerable range	Fix
📦npm	`marsdb`	≥ 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 marsdb, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Remediation status
No patched version of marsdb has shipped for GHSA-5mrr-rgp6-x4gr 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
Stop passing untrusted input into the interpreter or shell: call the affected binary with an argument array rather than a composed command string, reject anything outside a strict allowlist of expected values, and run the component under an account that cannot reach beyond the work it legitimately does.

Frequently Asked Questions

All versions of `marsdb` are vulnerable to Command Injection. In the `DocumentMatcher` class, selectors on `$where` clauses are passed to a Function constructor unsanitized. This allows attackers to run arbitrary commands in the system when the function is executed. ## Recommendation No fix is currently available. Consider using an alternative package until a fix is made available.

O3 Security · Impact-Aware SCA

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