GHSA-FX6F-382R-J72C CyberChef: Prototype pollution in Series Chart operation

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. Other operations following Series Chart could hav...

NPM: CyberChef: Prototype pollution in Series Chart operation

NPM: CyberChef: Prototype pollution in Series Chart operation vulnerability discovered by ? in WordPress Npm cyberchef versions 11.2.0...

EUVD-2026-42294

CyberChef: Prototype pollution in Series Chart operation...

CyberChef: Prototype pollution in Series Chart operation

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. Other operations following Series Chart could hav...

Prototype Pollution

Overview cyberchef is a simple, intuitive web app for carrying out all manner of "cyber" operations within a web browser. Affected versions of this package are vulnerable to Prototype Pollution leading to cross-site scripting in the Series Chart operation and the objToTable function in...

CVE-2026-57439

CyberChef is a web app for encryption, encoding, compression, and data analysis. Prior to 11.2.0, the Series Chart operation accepts proto as a key while parsing user-supplied CSV, allowing prototype pollution that can be chained with operations such as Parse UDP to inject malicious JavaScript in...

CVE-2026-57439 CyberChef: Prototype pollution in Series Chart operation

CyberChef is a web app for encryption, encoding, compression, and data analysis. Prior to 11.2.0, the Series Chart operation accepts proto as a key while parsing user-supplied CSV, allowing prototype pollution that can be chained with operations such as Parse UDP to inject malicious JavaScript in...

CVE-2026-57439 CyberChef: Prototype pollution in Series Chart operation

CyberChef is a web app for encryption, encoding, compression, and data analysis. Prior to 11.2.0, the Series Chart operation accepts proto as a key while parsing user-supplied CSV, allowing prototype pollution that can be chained with operations such as Parse UDP to inject malicious JavaScript in...

CVE-2026-57439

CyberChef is a web app for encryption, encoding, compression, and data analysis. Prior to 11.2.0, the Series Chart operation accepts proto as a key while parsing user-supplied CSV, allowing prototype pollution that can be chained with operations such as Parse UDP to inject malicious JavaScript in...

CVE-2026-57439 CyberChef: Prototype pollution in Series Chart operation

CyberChef is a web app for encryption, encoding, compression, and data analysis. Prior to 11.2.0, the Series Chart operation accepts proto as a key while parsing user-supplied CSV, allowing prototype pollution that can be chained with operations such as Parse UDP to inject malicious JavaScript in...

CVE-2026-57439

CyberChef’s CVE-2026-57439 affects the Series Chart operation prior to version 11.2.0. The vulnerability arises when parsing user-supplied CSV, where proto can be used as a key, enabling prototype pollution. This can be chained with other operations (e.g., Parse UDP) to inject malicious JavaScrip...

PT-2026-56483

Name of the Vulnerable Software and Affected Versions CyberChef versions prior to 11.2.0 Description The Series Chart operation allows prototype pollution when parsing user-supplied CSV data because it accepts proto as a key. Prototype pollution is a technique where an attacker manipulates the...

CVE-2026-57439: Improper Neutralization of Input During Web Page Generation

CyberChef is a web app for encryption, encoding, compression, and data analysis. Prior to 11.2.0, the Series Chart operation accepts proto as a key while parsing user-supplied CSV, allowing prototype pollution that can be chained with operations such as Parse UDP to inject malicious JavaScript in...

Malicious Package

Overview time-series-chart-web is a malicious package. The package's name is based on existing repositories, namespaces, or components used by popular companies in an effort to trick employees into downloading it, also known as 'dependency confusion'. Therefore, you're only vulnerable if this...