CVE-2022-26377

mod_proxy_ajp: Possible request smuggling

HIGH
7.5
CVSS Score
Published: June 8, 2022 at 10:00 AM UTC
Updated: June 17, 2026 at 04:35 AM UTC
3 products affected across 3 vendorsFedoraHTTP ServerClustered Data ONTAP

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Severity
HIGH7.5
Exploit prediction
EPSS 21%

Description

Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in mod_proxy_ajp of Apache HTTP Server allows an attacker to smuggle requests to the AJP server it forwards requests to. This issue affects Apache HTTP Server Apache HTTP Server 2.4 version 2.4.53 and prior versions.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

2.4.0 ≤ v < 2.4.54Apache HTTP Server 2.4 ≤ v ≤ 2.4.532.4
Affected range stops below 2.4.54, so it looks safe — our inference, not a vendor statement

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-444

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