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CVE-2026-28367 is a critical severity vulnerability with a CVSS score of 9.1. No known exploits currently, and patches are available.
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Very low probability of exploitation
EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.
A flaw was found in Undertow. A remote attacker can exploit this vulnerability by sending \r\r\r as a header block terminator. This can be used for request smuggling with certain proxy servers, such as older versions of Apache Traffic Server and Google Cloud Classic Application Load Balancer, potentially leading to unauthorized access or manipulation of web requests.
| Vendor | Product |
|---|---|
| Redhat | Single Sign On |
| Redhat | Fuse |
| Redhat | Jboss Enterprise Application Platform |
| Redhat | Process Automation |
| Redhat | Undertow |
| Redhat | Build Of Apache Camel For Spring Boot |
| Redhat | Jboss Enterprise Application Platform Expansion Pack |
| Redhat | Build Of Apache Camel Hawtio |
| Redhat | Data Grid |