Vulnerability Database · npm · cyberchef · Version
cyberchef 9.27.5
9.27.5 is affected by 2 vulnerabilities.
The vulnerabilities that cover this exact version are listed below with the fixed version to move to. The upgrade Vulert recommends: 11.5.0.
Critical 0 High 1 Medium 1 Low 0 Unrated 0
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Released 22 Feb 2021
Licence Apache-2.0
Also known from other sources 0
Newer releases 300
Database updated 23/Oct/2026
Release and licence data published by the npm registry. Licence information is not legal advice.
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01 Vulnerabilities affecting this version
cyberchef 9.27.5 vulnerabilities
2 vulnerabilities cover cyberchef 9.27.5. Open the full list in the database.
| Vulnerability | Severity | Fixed version | Disclosed |
|---|---|---|---|
| CVE-2026-42615: CyberChef Cross-site Scripting Vulnerability | 7.2 high | 11.0.0 | 29 Apr 2026 |
| CVE-2026-57439: CyberChef Prototype Pollution in Series Chart Operation | 5.0 medium | 11.2.0 | 24 Sep 2026 |
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Questions
About cyberchef 9.27.5
Is cyberchef 9.27.5 vulnerable?
Yes. 2 vulnerabilities in the Vulert database cover cyberchef 9.27.5: 0 critical, 1 high, 1 medium and 0 low. The upgrade Vulert recommends is 11.5.0, and each entry above names the fixed version to move to.
Which version of cyberchef should I use instead of 9.27.5?
11.5.0 is the version Vulert recommends for this release line. The version table on the package page lists every release with the vulnerabilities recorded against it.
Is 9.27.5 the latest release of cyberchef?
No. 9.27.5 was published 22 Feb 2021, and newer releases exist. Newer is not automatically safer — the version table on the package page shows what each release carries.
How do I monitor cyberchef for upcoming vulnerabilities?
Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the cyberchef version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.