Vulnerability DatabaseCVE-2022-26377
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CVE-2022-26377
Published:June 08, 2022
Updated:July 21, 2026
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.
Related Resources (14)
http://www.openwall.com/lists/oss-security/2022/06/08/2
https://access.redhat.com/security/cve/CVE-2022-26377
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7QUGG2QZWHTITMABFLVXA4DNYUOTPWYQ/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7QUGG2QZWHTITMABFLVXA4DNYUOTPWYQ/
https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/26xxx/CVE-2022-26377.json
https://security.netapp.com/advisory/ntap-20220624-0005/
https://security.alpinelinux.org/vuln/CVE-2022-26377
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YPY2BLEVJWFH34AX77ZJPLD2OOBYR6ND/
https://nvd.nist.gov/vuln/detail/CVE-2022-26377
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-26377
https://security-tracker.debian.org/tracker/CVE-2022-26377
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YPY2BLEVJWFH34AX77ZJPLD2OOBYR6ND/
https://httpd.apache.org/security/vulnerabilities_24.html
https://security.gentoo.org/glsa/202208-20
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
CWE-444
EPSS
Base Score:
19.01