CVE-2026-101896: angular <= 19.2.25, >= 20.0.0, < 20.3.32, >= 21.0.0, < 21.2.24, >= 22.0.0, < 22.2.0; +1 more affected products

Affected technology

angular · <= 19.2.25, >= 20.0.0, < 20.3.32, >= 21.0.0, < 21.2.24, >= 22.0.0, < 22.2.0
angular

router · <= 19.2.25, >= 20.0.0, < 20.3.32, >= 21.0.0, < 21.2.24, >= 22.0.0, < 22.2.0
@angular

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

An unauthenticated attacker can send overlapping requests containing repeated numeric matrix parameters when SSR is enabled, the router directly parses the request URL, and upstream proxies allow semicolons and multiple path segments, eventually exhausting the Node.js old-space heap and terminating the SSR worker. Vendor/CNA’s CVSS 4.0 assessment (base score 8.2/10) rates confidentiality and integrity impact as none; availability impact as high.