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CRITICAL severity

CVE-2022-37257 — steal

CRITICAL

CVE-2022-37257 is a critical-severity (CVSS 9.8) CWE-1321 vulnerability in steal. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

steal vulnerable to Prototype Pollution via requestedVersion variable

Also known asGHSA-93q5-3xpc-8vg3
Published
Updated
Affected
1 pkg
Patched
See advisory
Exploits
None indexed
Exploitation data as of Oct 27, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.4%probability of exploitation in next 30 days
Lower Risk+0.03%
Lower risk than most CVEs72th percentile — riskier than 72% of all scored CVEsHighest risk
0.01%0.63%1.25%1.87%0.5%1.4%Apr 26Aug 26Oct 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.

37other npm packages depend on this — each one inherits the vulnerability until it's patched upstream
stealnpm
9Kdownloads / week

Description

Prototype pollution vulnerability in function convertLater in npm-convert.js in stealjs steal via the requestedVersion variable in the npm-convert.js file.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
📦npmstealall versionsNo fix

Affected Products

1 product · 1 configurations
Application
stealstealjs
1 version
2.2.4

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for steal, 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 steal for CVE-2022-37257. 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

    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

Prototype pollution vulnerability in function convertLater in npm-convert.js in stealjs steal via the requestedVersion variable in the npm-convert.js file.
O3 Security · Impact-Aware SCA

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CVE-2022-37257: steal (Critical 9.8)