NIST deprecates RSA-2048 from 2030. Find every one of them before attackers do.
📦
📦 npm
Not in CISA KEV
HIGH severity

CVE-2021-34081 — gitsome

HIGH

CVE-2021-34081 is a high-severity (CVSS 8.8) OS Command Injection vulnerability in gitsome. 1 public exploit or proof-of-concept reference is indexed, so weaponization risk is real. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

OS Command Injection in gitsome

Published
Updated
Affected
1 pkg
Patched
See advisory
Exploits
1 known
Exploitation data as of Nov 9, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
3.4%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs89th percentile — riskier than 89% of all scored CVEsHighest risk
2.51%4.07%5.64%7.21%6.3%3.4%May 26Sep 26Nov 26

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

How urgent is this, really

Where this sits among everything scored

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.

0other npm packages depend on this — each one inherits the vulnerability until it's patched upstream
gitsomenpm
22downloads / week

Description

OS Command Injection vulnerability in bbultman gitsome through 0.2.3 allows attackers to execute arbitrary commands via a crafted tag name of the target git repository.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
📦npmgitsomeall versionsNo fix

Affected Products

1 product · 1 configurations
Application
gitsomegitsome_project
≤ 0.2.3
range
Exploits & PoCs
1

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

OS Command Injection vulnerability in bbultman gitsome through 0.2.3 all…

advisory.checkmarx.netNVDJun 2022

Detection & mitigation playbook

Open-source dependency

  1. Detect

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

  2. Remediation status

    The records we use list no patched version of gitsome for CVE-2021-34081. Check the maintainer's advisory, and where your build allows, override or pin the dependency away from the vulnerable range.

  3. 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

OS Command Injection vulnerability in bbultman gitsome through 0.2.3 allows attackers to execute arbitrary commands via a crafted tag name of the target git repository.
O3 Security · Impact-Aware SCA

Is CVE-2021-34081 in your dependencies?

Find it across npm, including transitive dependencies.

Scan my dependencies How O3 SCA works
CVE-2021-34081: gitsome: OS Command Injection