CVE-2026-81576 Improper Authentication of Session Handles

If configured as a server, CodeMeter Runtime before versions 8.41a and 9.10 issues handles per connection and relies on a cryptographically weak SID as sole authenticator. An attacker can brute-force the SID, recover another session's handle number, and read license information belonging to anoth...

CVE-2026-81576

CodeMeter Runtime (WIBU), when configured as a server in versions before 8.41a and 9.10 , issues a per-connection session handle and relies on a cryptographically weak SID as the sole authenticator. An attacker with network access can brute-force the SID , recover another session's handle number,...

CVE-2026-51538

EIPStackGroup OpENer 2.3.0 commit 76b95cf suffers from an Incorrect Access Control vulnerability in its handling of encapsulation sessions. When the server processes critical encapsulation commands, it verifies whether the provided sessionhandle exists in the global session list, but it fails to...