The CVE number for this vulnerability is CVE-2026-72757.

== Summary
Routinator HTTP server becomes unavailable with many unclosed connections

== Affected products
Routinator up to and including 0.15.2.

== Description
Routinator runs out of open connections on the HTTP server when many
connections are opened but never closed, leaving the HTTP server unavailable.
This condition can be triggered maliciously by an attacker by opening a
large number of connections to the HTTP server.

This only affects users that make their HTTP or RTR server available to
untrusted networks.

== Solution
Install Routinator 0.15.3 or later.

== Acknowledgments
We would like to thank Qifan Zhang, Palo Alto Networks for finding
the vulnerability.