CVE-2026-11541
Last modified
CVE-2026-11541 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. IBM CICS Transaction Gateway for Multiplatforms 9.1, 9.2, 9.3, and 10.1 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 affected by an HTTP request smuggling vulnerability.. EPSS estimates a 0.26% chance of exploitation in the next 30 days.
Description
IBM CICS Transaction Gateway for Multiplatforms 9.1, 9.2, 9.3, and 10.1 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 affected by an HTTP request smuggling vulnerability.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ibm | Websphere Application Server | >= 8.5.0.0, < 8.5.5.31 |
| Ibm | Websphere Application Server | >= 9.0.0.0, < 9.0.5.29 |
| Ibm | Websphere Application Server | >= 17.0.0.3, <= 26.0.0.6 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2026-11541?
How severe is CVE-2026-11541?
How do I fix CVE-2026-11541?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-11536IBM WebSphere Application Server 9.0, and 8.5 is affected by…8.5
- CVE-2026-11537IBM WebSphere Application Server 9.0, and 8.5 could allow a …4.3
- CVE-2026-11538IBM WebSphere Application Server 9.0 and 8.5 is affected by …5.3
- CVE-2026-11539IBM WebSphere Application Server 9.0 and 8.5 is affected by …5.3
- CVE-2026-1154A flaw has been found in SourceCodester E-Learning System 1.…5.4
- CVE-2026-11540IBM WebSphere Application Server 9.0 and 8.5 could allow a r…5.3
- CVE-2026-11545IBM WebSphere Application Server 8.5 and 9.0 could allow a r…3.7
- CVE-2026-11546IBM WebSphere Application Server - Liberty 17.0.0.3 through …9.8
- CVE-2026-11548IBM WebSphere Application Server and WebSphere Application S…4.8
- CVE-2026-11549IBM WebSphere Application Server and WebSphere Application S…6.5
- CVE-2026-1155A vulnerability was found in Totolink LR350 9.3.5u.6369_B202…8.8
- CVE-2026-11551The Branda plugin for WordPress is vulnerable to privilege e…9.8
Are you affected by CVE-2026-11541?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST