CVE-2022-21826: Ivanti Connect Secure

Medium severity, CVSS 5.4. EPSS: 45.2% chance of exploitation in the next 30 days.

Pulse Secure version 9.115 and below may be susceptible to client-side http request smuggling, When the application receives a POST request, it ignores the request's Content-Length header and leaves the POST body on the TCP/TLS socket. This body ends up prefixing the next HTTP request sent down that connection, this means when someone loads website attacker may be able to make browser issue a POST to the application, enabling XSS.

Affected products

• Ivanti Connect Secure: version 9.1 only
• Pulse Secure Pulse Connect Secure: before 9.1 (fixed in 9.1)

Published 2022-09-30. Last modified 2026-06-17.