CVE-2026-15328
HIGHCVSS 8.1/10EPSS 0.23%
Last modified
CVE-2026-15328 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. IBM WebSphere Application Server and IBM WebSphere Application Server - Liberty is vulnerable to HTTP request smuggling.. EPSS estimates a 0.23% chance of exploitation in the next 30 days.
Description
IBM WebSphere Application Server and IBM WebSphere Application Server - Liberty is vulnerable to HTTP request smuggling.
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, < 26.0.0.8 |
References
- https://www.ibm.com/support/pages/node/7281625Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2026-15328?
IBM WebSphere Application Server and IBM WebSphere Application Server - Liberty is vulnerable to HTTP request smuggling.
How severe is CVE-2026-15328?
CVE-2026-15328 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.
How do I fix CVE-2026-15328?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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-2026-15320A vulnerability was detected in Sipeed PicoClaw up to 0.2.9.…5.4
- CVE-2026-15321A vulnerability was found in MyEMS up to 6.4.0. The affected…2.4
- CVE-2026-15322IBM Engineering AI Hub 1.0.0, 1.1.0, and 1.2.0 could allow a…7.5
- CVE-2026-15324The SysBasics Customize My Account for WooCommerce – Live My…4.4
- CVE-2026-15325IBM WebSphere Application Server and IBM WebSphere Applicati…8.7
- CVE-2026-15326A vulnerability was identified in halo-dev halo up to 2.24.2…3.8
- CVE-2026-15329A vulnerability was found in zhayujie CowAgent up to 2.1.0. …4.3
- CVE-2026-1533A security flaw has been discovered in code-projects Online …9.8
- CVE-2026-15330A vulnerability was determined in zhayujie CowAgent up to 2.…7.3
- CVE-2026-15331A vulnerability was identified in zhayujie CowAgent up to 2.…5.4
- CVE-2026-15332A security flaw has been discovered in zhayujie CowAgent up …6.3
- CVE-2026-15333The Cozy Blocks – Page Builder for Gutenberg Editor & FSE wi…6.4
Are you affected by CVE-2026-15328?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST