High severity7.4NVD Advisory· Published Jun 22, 2026· Updated Jun 24, 2026
CVE-2026-8646
CVE-2026-8646
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*range: >=8.5.0.0,<8.5.5.30
- cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:liberty:*:*:*range: >=17.0.0.3,<26.0.0.7
- (no CPE)range: 9.0, 8.5, 17.0.0.3 through 26.0.0.6
- Range: 17.0.0.3 through 26.0.0.6
Patches
Vulnerability mechanics
References
1- www.ibm.com/support/pages/node/7276579nvdVendor Advisory
News mentions
1- IBM WebSphere: Eight Vulnerabilities Including DoS, SSRF, and RCE Disclosed TogetherVypr Intelligence · Jun 22, 2026