CVE-2026-8646highCWE-444

CVE-2026-8646: high-severity vulnerability in IBM WebSphere Application Server

IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by multiple vulnerabilities

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.4epss 0.6%
IBM WebSphere Application Server 9.0 and 8.5 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.6 are vulnerable to HTTP request smuggling. A remote attacker could smuggle a specially crafted request to the application server thereby allowing the attacker to bypass security controls, spoof identity, escalate privilege, and expose sensitive information.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected products
IBM · WebSphere Application ServerIBM · WebSphere Application Server - Liberty
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