Remote Code Execution Vulnerability in Undertow by Red Hat
CVE-2026-3260

5.9MEDIUM

Key Information:

Vendor

Red Hat
Status
Red Hat Build Of Apache Camel For Spring Boot 4
Red Hat Build Of Apache Camel - Hawtio 4
Red Hat Data Grid 8
Red Hat Enterprise Linux 10
Vendor
CVE Published:
24 March 2026

What is CVE-2026-3260?

A security flaw in Undertow allows remote attackers to exploit the server by sending an HTTP GET request with multipart/form-data content. When the application processes these parameters using methods such as getParameterMap(), it can lead to premature parsing and unauthorized storage of data on disk. This action can induce resource exhaustion, ultimately causing Denial of Service (DoS) situations, affecting system reliability and availability.

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References

https://access.redhat.com/security/cve/CVE-2026-3260
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2443010
issue-trackingx_refsource_REDHAT

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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