CVE-2026-8646 high vulnerability summary
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...
CVE-2026-8646 is a High severity vulnerability notice that security teams should triage for exposure in their own environments.
What to review
The affected area appears to involve 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. Administrators should compare this notice against their asset inventory, dependency list, and externally exposed services.
Recommended action
Confirm whether the affected product or library is present, review vendor guidance, prioritize patching based on internet exposure and severity, and monitor logs for suspicious behavior tied to the affected component.
This brief is based on information from Tenable Newest CVEs . Please refer to the original source for the complete advisory and vendor-specific guidance.
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