CVE-2026-8670
Insecure session handling on metrics web server
- State
- Published
- Severity
- 9.6 Critical
- Published
- May 22, 2026
- Updated
- May 22, 2026
- Reserved
- May 15, 2026
Description
Insufficient session expiration vulnerability in syslink software AG Avantra on Linux, Windows allows Reusing Session IDs (aka Session Replay).
This issue affects Avantra: before 25.3.1.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.6 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H | NCSC.ch |
Weaknesses
- CWE-613 Insufficient session expiration
Affected Products
| Product | Versions |
|---|---|
Avantrasyslink software AG |
|
References
- https://support.avantra.com/hc/en-us/articles/5533929912351vendor-advisory
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