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Medium 6.3Published Dec 19, 2025

CVE-2025-12874HTTP Request Smuggling in Quest Coexistence Manager for Notes

Updated under an hour ago ()

Does this affect you?

It affects Quest Coexistence Manager for Notes. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
6.3 MEDIUM (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/U:Clear
Weakness (CWE)
CWE-444
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
SRA
NVD analysis
Deferred
Record last updated
Dec 19, 2025
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Quest Coexistence Manager for Notes
quest:coexistence_manager_for_notes (from the name)
3.8.2045
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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