CVE-2026-8646

CriticalCVSS 9.1/10Last modified Jun 24, 2026

Description

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.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-444

Affected software

No affected versions have been published.

Timeline

Published: Jun 22, 2026
Last modified: Jun 24, 2026
NVD status: Analyzed

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