Medium severity4.3NVD Advisory· Published Mar 12, 2026· Updated Jun 17, 2026
CVE-2026-3234
CVE-2026-3234
Description
A flaw was found in mod_proxy_cluster. This vulnerability, a Carriage Return Line Feed (CRLF) injection in the decodeenc() function, allows a remote attacker to bypass input validation. By injecting CRLF sequences into the cluster configuration, an attacker can corrupt the response body of INFO endpoint responses. Exploitation requires network access to the MCMP protocol port, but no authentication is needed.
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Affected products
4- cpe:/a:redhat:jboss_core_services:1
cpe:/o:redhat:enterprise_linux:10+ 1 more
- cpe:/o:redhat:enterprise_linux:10
- cpe:/o:redhat:enterprise_linux:9
Patches
Vulnerability mechanics
References
2News mentions
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