Malicious code in x402-prompt-injection-scan (npm)
- Product
- x402-prompt-injection-scan
- Affected
- x402-prompt-injection-scan 0.1.4
- Fixed in
- No fix yet
Last verified against sources: October 26, 2026
Am I affected?
x402-prompt-injection-scan: affected x402-prompt-injection-scan 0.1.4. No fix has been reported yet.
- Check your version: run
npm ls x402-prompt-injection-scan. Versions 0.1.4 of x402-prompt-injection-scan are affected. [1]
What to do now
- Remove the package if it is installed: run
npm uninstall x402-prompt-injection-scan. [1] - Remove the x402-prompt-injection-scan package from the computer. [1]
- Rotate all secrets and keys stored on that computer immediately, from a different computer. [1]
- Treat the computer as fully compromised, because removing the package may not remove all malicious software that came from installing it. [1]
General practice, not from the source: if the affected software could read tokens or credentials, rotate them after upgrading; pin versions and review changes before updating tools your agents run.
What happened
- The npm package x402-prompt-injection-scan version 0.1.4 contains malicious code. [1]
Impact
What was done
- No patched version of the package is available. [1]
Sources
- MAL-2026-18197 — OSV (Open Source Vulnerabilities)
Every statement above was checked against these sources before publishing. Spotted an error? Tell us and we will correct it with a dated note.
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Malicious code in x402-prompt-injection-scan (npm)
Product: x402-prompt-injection-scan | Affected: x402-prompt-injection-scan 0.1.4 | Fixed in: No fix yet
Summary: The npm package x402-prompt-injection-scan version 0.1.4 contains malicious code.
Source & remediation on AgentArmorHQ: https://agentarmorhq.com/incidents/2026/10/mal-2026-18197-x402-prompt-injection-scanCorrections
Report an error or request a correction. We review requests within 5 business days and add a dated correction note.
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