CVE-2026-8646
HIGH
7.4
CVSS 3.1
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.
Metadata
Severity & Metrics
7.4
HIGH CVSS 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
SSVC — CISA Coordinator
Affected products (2)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| IBM | WebSphere Application Server | — | 9.0.0 ≤ 7.0.2 Interim Fix 035, 8.5.0 ≤ 7.0.3 Interim Fix 017 |
| IBM | WebSphere Application Server - Liberty | — | 17.0.0.3 ≤ 26.0.0.6 |
Weakness (CWE)
| CWE | Source | Description |
|---|---|---|
| CWE-444 | cna | CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') |
CVSS scores (1)
| Score | Severity | Version | Source | Vector |
|---|---|---|---|---|
| 7.4 | HIGH | 3.1 | cna | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |
References (1)