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Medium 6.9Published Jan 26, 2026

CVE-2025-41082HTTP Request/Response Smuggling in Altitude Communication Server

Updated under an hour ago ()

Does this affect you?

It affects Altitude Communication Server. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Illegal HTTP request traffic vulnerability (CL.0) in Altitude Communication Server, caused by inconsistent analysis of multiple HTTP requests over a single Keep-Alive connection using Content-Length headers. This can cause a desynchronization of requests between frontend and backend servers, which could allow request hiding, cache poisoning or security bypass.

CVSS
6.9 MEDIUM (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
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
INCIBE
NVD analysis
Deferred
Record last updated
Jan 26, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Altitude Altitude Communication Server
altitude:communication_server (from the name)
all versions
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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