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Not in CISA KEV
HIGH severity

snipe-it is vulnerable to Cross-Site Request Forgery (CSRF)GHSA-4w23-c97g-fq5v

HIGHFix: snipe/snipe-it@9b2dd65

GHSA-4w23-c97g-fq5v is a high-severity (CVSS 8.8) Cross-Site Request Forgery (CSRF) vulnerability in snipe/snipe-it. 1 public exploit reference exists, so weaponization risk is real. A fix is available for snipe/snipe-it — see the affected versions and patch details below.

Also known asCVE-2021-4130
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
1 known
Exploitation data as of Oct 11, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.5%probability of exploitation in next 30 days
Lower Risk+0.02%
Lower risk than most CVEs39th percentile — riskier than 39% of all scored CVEsHighest risk
0.00%0.33%0.65%0.98%0.2%0.5%Apr 26Aug 26Oct 26

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

How urgent is this, really

GHSA-4w23-c97g-fq5v by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 385,738 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
🐘snipe/snipe-it

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

Description

snipe-it is vulnerable to Cross-Site Request Forgery (CSRF)

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistsnipe/snipe-itall versions5.3.6composer require snipe/snipe-it:^5.3.6

Affected Products

1 product · 1 configurations
Application
snipe-itsnipeitapp
< 5.3.6
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.

snipe-it is vulnerable to Cross-Site Request Forgery (CSRF)

huntr.devNVDDec 2021

Detection & mitigation playbook

Open-source dependency

  1. Detect

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

  2. Fix

    Update snipe/snipe-it to 5.3.6 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-4w23-c97g-fq5v is resolved across your whole dependency graph.

  3. Workarounds

    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

snipe-it is vulnerable to Cross-Site Request Forgery (CSRF)
O3 Security · Impact-Aware SCA

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snipe-it is vulnerable to Cross-Site Request Forgery (CSRF)