Vulnerability library
Security checkSeptember 24, 2026

CyberChef: Prototype pollution in Series Chart operation

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Medium severitynpmcyberchef

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Description

On 5 June 2026 CyberChef received a security vulnerability report from @hyuunnn detailing a vulnerability in the Series Chart operation, where malicious input could result in prototype pollution of the data structures outputted from the operation.

Recommendation

Update the cyberchef package to the latest compatible version. Followings are version details:

  • Affected version(s): < 11.2.0
  • Patched version(s): 11.2.0

References

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Related Issues

See something that needs correcting? Let us knowUpdated September 24, 2026