CVE-2026-81576
High
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.
SeverityHigh
CVSS7.7
Exploit probability—
ProductWibu-systems-ag Codemeter-runtime
PublishedAug 27, 2026
First seenAug 27, 2026
How to fix
Update
- wibu-systems-ag codemeter-runtime9.10, 8.41a or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| wibu-systems-ag codemeter-runtime | 9.00 ≤ v < 9.10, 8.00 ≤ v < 8.41a, 7.00, 6.00 | 9.10, 8.41a |
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