CVE-2026-15328High· 7.4▾ TwilightIBM WebSphere Application Server and IBM WebSphere Application Server - Liberty is vulnerable to HTTP request smuggling.
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 40.7 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 23.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.2%
0.2% → 0.4%
IBM WebSphere Application Server and IBM WebSphere Application Server - Liberty is vulnerable to HTTP request smuggling.
websphere_application_server >= 8.5.0.0, < 8.5.5.31websphere_application_server >= 9.0.0.0, < 9.0.5.29websphere_application_server >= 17.0.0.3, < 26.0.0.8Upgrade past the affected range:
websphere_application_server 26.0.0.8Connected by shared product, vendor, weakness, or advisory.
CVE-2026-15064High· 8.7IBM WebSphere Application Server and IBM WebSphere Application Server - Liberty is vulnerable to HTTP Response Smuggling due to improper handling of non-standard HTTP version tokens.
CVE-2026-14981High· 7.5IBM WebSphere Application Server and IBM WebSphere Application Server - Liberty are affected by a denial of service vulnerability in the HTTP channel due to unbounded allocation of resources without limits.
CVE-2026-11548Medium· 4.8IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by an HTTP request smuggling vulnerability.
CVE-2026-11710Medium· 6.5IBM WebSphere Application Server 8.5 is affected by an HTTP request smuggling vulnerability due to improper handling of Content-Length headers.
CVE-2026-11722Medium· 4.8IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by an HTTP request smuggling vulnerability.
CVE-2026-11538Low· 3.7IBM WebSphere Application Server 9.0 and 8.5 is affected by a log injection vulnerability through crafted LTPA token cookies.