Objectplanet Opinio version 7.22 and prior uses a cryptographically weak pseudo-random number generator (PRNG) coupled to a predictable seed, which could lead to an unauthenticated account takeover of any user on the application.
https://www.objectplanet.com/opinio/changelog.html
https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2024/MNDT-2024-0002.md