CVE-2026-81576

HighCVSS 7.7/10Last modified Sep 1, 2026

Description

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 another handle.

Metrics

CVSS 3.1 7.7/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Weakness enumeration

CWE-639

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
wibu-systems-ag	codemeter-runtime	>= 9.00, < 9.10; >= 8.00, < 8.41a; 7.00; 6.00

References

https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/AdvisoryWIBU-103401.pdf

Timeline

Published: Aug 27, 2026
Last modified: Sep 1, 2026
NVD status: Awaiting Analysis

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