Medium: jsoup

Issue Overview: jsoup is a Java library for working with real-world HTML. From 1.14.3 until 1.23.1, jsoup's HTML parser could incorrectly handle a malformed tag name ending in a control character, causing the tag to acquire the parsing behavior of a different element. When a custom Safelist permi...

CVE-2026-71497

A flaw was found in jsoup, a Java library for working with HTML. The HTML parser incorrectly handles malformed tag names ending in a control character. When a custom Safelist allows certain raw-text elements, this misparsing can cause content that should be inert to be processed as active markup...

UBUNTU-CVE-2026-71497

jsoup is a Java library for working with real-world HTML. From 1.14.3 until 1.23.1, jsoup's HTML parser could incorrectly handle a malformed tag name ending in a control character, causing the tag to acquire the parsing behavior of a different element. When a custom Safelist permits certain...

GHSA-PMHH-3W7G-XQP8 jsoup: Cleaner may expose markup with custom raw-text elements

When a custom Safelist permits certain raw-text elements, jsoup may incorrectly sanitize malformed HTML containing a tag name that ends in a control character. The tag may acquire the parsing behavior of a different element, causing content that should remain text to be emitted as active markup...