CVEvulnerability
CVE-2026-8646
9.1 CRITICAL
Official page ↗
- Status
- Analyzed
- Published
- 2026-06-22
- Last modified
- 2026-06-24
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.4 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- CVSS 3.1 ([email protected])
- 9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- Weaknesses
- CWE-444
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.
Affected configurations
• ibm websphere application server (>= 8.5.0.0 < 8.5.5.30)
• ibm websphere application server (>= 9.0.0.0 < 9.0.5.29)
• ibm websphere application server (>= 17.0.0.3 < 26.0.0.7)
Related
Weakness · CWE (1)
- CWE-444 Inconsistent Interpretation of HTTP Requests weakness
References
- https://www.ibm.com/support/pages/node/7276579 Vendor Advisory