Answer in brief
CVE-2026-81576 records a High severity (CVSS 7.7) vulnerability in Improper Authentication of Session Handles. The current sources do not mark it as known exploited. The current feed maps wibu-systems-ag/codemeter-runtime (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.7. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps wibu-systems-ag/codemeter-runtime (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| wibu-systems-ag/codemeter-runtimegeneric | >=9.00 <9.10 || >=8.00 <8.41a || 7.00 || 6.00 | 9.10, 8.41a |
Published upstream
Aug 27, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 1, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 27, 2026
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.
Quoted source text, attributed separately from HOL analysis.