CVE-2026-8670

Critical

Open

TLP:CLEAR

Insecure session handling on metrics web server

NVD CVE.org

Critical Infrastructure

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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.

Details

CVSS Score: 9.6
EPSS Score ⓘ: 0.22%

12.2th percentile
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Confidence: 90%
Published: May 22, 2026
Last Modified: May 22, 2026

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