CVE-2026-81576

EUVD-2026-66983
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
wibuCNA
7.7 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 25.04%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
wibucodemeter_runtime
9.0 ≤
𝑥
< 9.10
CNA
wibucodemeter_runtime
8.0 ≤
𝑥
< 8.41a
CNA
wibucodemeter_runtime
7.0
CNA
wibucodemeter_runtime
6.0
CNA
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/AdvisoryWIBU-103401.pdf