CVE-2022-26377
httpd: mod_proxy_ajp: Possible request smuggling
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · June 8, 2022
Updated · November 2, 2026
Description
An HTTP request smuggling vulnerability was found in the mod_proxy_ajp module of httpd. This flaw allows an attacker to smuggle requests to the AJP server, where it forwards requests.
Statement
The httpd mod_proxy_ajp module is enabled by default on Red Hat Enterprise Linux 8, 9, and in RHSCL. However, there are no directives forwarding requests using the AJP protocol.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Disabling mod_proxy_ajp and restarting httpd will mitigate this flaw.
CVSS / CWE
CVSS 3.1 · 6.5CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L
CWE-444 · Inconsistent Interpretation of HTTP Requests