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CRITICAL severity

CVE-2021-29369 — @rkesters/gnuplot

CRITICALFix: rkesters/gnuplot@23671d4

CVE-2021-29369 is a critical-severity (CVSS 9.8) OS Command Injection vulnerability in @rkesters/gnuplot. A fix is available for @rkesters/gnuplot — see the affected versions and patch details below.

Code injection in @rkesters/gnuplot

Also known asGHSA-f2jw-pr2c-9x96
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Oct 11, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.8%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs78th percentile — riskier than 78% of all scored CVEsHighest risk
0.60%1.16%1.72%2.28%1.1%1.8%Apr 26Aug 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

CVE-2021-29369 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 385,386 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Real-World Exposure

1 pkg affected
📦@rkesters/gnuplot

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

@rkesters/gnuplot is an easy to use node module to draw charts using gnuplot and ps2pdf. The gnuplot package prior to version 0.1.0 for Node.js allows code execution via shell metacharacters in Gnuplot commands.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
📦npm@rkesters/gnuplotall versions0.1.1npm install @rkesters/gnuplot@0.1.1

Affected Products

1 product · 1 configurations
Application
gnuplotgnuplot_project
< 0.1.0
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

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

  2. Fix

    Update @rkesters/gnuplot to 0.1.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2021-29369 is resolved across your whole dependency graph.

  3. Workarounds

    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

@rkesters/gnuplot is an easy to use node module to draw charts using gnuplot and ps2pdf. The gnuplot package prior to version 0.1.0 for Node.js allows code execution via shell metacharacters in Gnuplot commands.
O3 Security · Impact-Aware SCA

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