CVE-2026-67231 RabbitMQ: Trust-store whitelist by Issuer+Serial only

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, The trust-store plugin installs a verifyfun that overrides badcert, unknownca / badcert, selfsignedpeer when the presented cert "matches" a whitelisted one. The match key is extractissuerid/...