KaTeX: Existing prototype pollution can bypass trust restrictions

Impact KaTeX can act as a read-side prototype pollution gadget in applications where Object.prototype has already been polluted, or where an attacker can influence the prototype of the renderer options object. KaTeX does not enable said prototype pollution. This advisory applies when combining...

GHSA-238P-PMPM-9MQ7 KaTeX: Existing prototype pollution can bypass trust restrictions

Impact KaTeX can act as a read-side prototype pollution gadget in applications where Object.prototype has already been polluted, or where an attacker can influence the prototype of the renderer options object. KaTeX does not enable said prototype pollution. This advisory applies when combining...

CVE-2026-103923 KaTeX: Existing prototype pollution can bypass trust restrictions

KaTeX is a fast, easy-to-use JavaScript library for TeX math rendering on the web. From 0.11.0 until 0.18.2, KaTeX uses ordinary JavaScript property access for the renderer options object, the trust setting, default and processor setting metadata, and namespace lookup and group restoration,...

CVE-2026-16770: Improper Neutralization of Argument Delimiters in a Command

PDF::WebKit versions through 1.2 for Perl allow argument injection into wkhtmltopdf via meta tags in the source document. For an HTML string or file source, the constructor collects every element in the document head through pdfwebkitmetatags and turns each one into a wkhtmltopdf command line...