packages/wekan-ldap/server/ldap.js in Wekan before 4.87 can process connections even though they are not authorized by the Certification Authority trust store,
https://github.com/wekan/wekan/releases/tag/v4.87
https://github.com/wekan/wekan/pull/3483/commits/31f89121fecca5a761b05cc3a26d4f237e90b484