CVE-2026-15396

MEDIUM Status: Received

CVSS Scores

CVSS v3.x Base Score
6.5
MEDIUM

Description

IBM WebSphere Application Server 9.0, and 8.5 and IBM WebSphere Application Server - Liberty are vulnerable to HTTP request smuggling, caused by improper parsing of the HTTP transfer-encoding request header. By sending a specially crafted HTTP transfer-encoding request header, an attacker could exploit this vulnerability to poison the web cache, bypass web application firewall protection, and conduct XSS attacks.

Published
September 14, 2026 8:16 PM
Last Modified
September 14, 2026 8:16 PM
Source
[email protected]

Weaknesses (CWE)

CWE-444

References

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