CVE-2025-12874: Quest Coexistence Manager For Notes

Medium severity, CVSS 6.3. EPSS: 0.5% chance of exploitation in the next 30 days.

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in Quest Coexistence Manager for Notes (Free/Busy Connector modules) allows HTTP Request Smuggling via the Content-Length-Transfer-Encoding (CL.TE) attack vector. This could allow an attacker to bypass access controls, poison web caches, hijack sessions, or trigger unintended internal requests. This issue affects Coexistence Manager for Notes 3.8.2045. Other versions may also be affected.

Affected products

• Quest Coexistence Manager For Notes: version 3.8.2045 only

Published 2025-12-19. Last modified 2026-06-17.