CVE-2022-26377— mod_proxy_ajp: Possible request smuggling
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I. Basic Information for CVE-2022-26377
Vulnerability Information
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Vulnerability Title
mod_proxy_ajp: Possible request smuggling
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
HTTP请求的解释不一致性(HTTP请求私运)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Apache HTTP Server 环境问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache HTTP Server是美国阿帕奇（Apache）基金会的一款开源网页服务器。该服务器具有快速、可靠且可通过简单的API进行扩充的特点。 Apache HTTP Server mod_proxy_ajp 存在环境问题漏洞，该漏洞源于请求夹带。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server | Apache HTTP Server 2.4 ~ 2.4.53 | - |
II. Public POCs for CVE-2022-26377
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | None | https://github.com/watchtowrlabs/ibm-qradar-ajp_smuggling_CVE-2022-26377_poc | POC Details |
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- https://security.netapp.com/advisory/ntap-20220624-0005/x_refsource_CONFIRM
- Apache HTTPD: Multiple Vulnerabilities (GLSA 202208-20) — Gentoo securityvendor-advisoryx_refsource_GENTOO
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YPY2BLEVJWFH34AX77ZJPLD2OOBYR6ND/vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7QUGG2QZWHTITMABFLVXA4DNYUOTPWYQ/vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2022-26377
Same Patch Batch · Apache Software Foundation · 2022-06-08 · 8 CVEs total
| CVE-2022-31813 | mod_proxy X-Forwarded-For dropped by hop-by-hop mechanism | |
| CVE-2022-30556 | Information Disclosure in mod_lua with websockets | |
| CVE-2022-30522 | mod_sed denial of service | |
| CVE-2022-29404 | Denial of service in mod_lua r:parsebody | |
| CVE-2022-28615 | Read beyond bounds in ap_strcmp_match() | |
| CVE-2022-28614 | read beyond bounds via ap_rwrite() | |
| CVE-2022-28330 | read beyond bounds in mod_isapi |
IV. Related Vulnerabilities
Same product: Apache HTTP Server
- CVE-2026-28780
Apache HTTP Server: buffer overflow in mod_proxy_ajp via aj - CVE-2026-29168
Apache HTTP Server: mod_md unrestricted OCSP response - CVE-2026-29169
Apache HTTP Server: mod_dav_lock indirect lock crash - CVE-2026-23918
Apache HTTP Server: http2: double free and possible RCE on e - CVE-2026-33006
Apache HTTP Server: mod_auth_digest timing attack
Same vendor: Apache Software Foundation
- CVE-2026-39816
Apache NiFi: Missing Execute Code Required Permission on Tin - CVE-2026-25199
Apache CloudStack: Proxmox Extension Allows Unauthorized Cro - CVE-2026-25077
Apache CloudStack: Unauthenticated Command Injection in Dire - CVE-2025-69233
Apache CloudStack: Domain/account resources limits not honor - CVE-2025-66467
Apache CloudStack: MinIO policy remains intact on bucket del
Same weakness: CWE-444
- CVE-2026-40562
Gazelle versions through 0.49 for Perl allows HTTP Request S - CVE-2026-40561
Starlet versions through 0.31 for Perl allows HTTP Request S - CVE-2026-39805
CL.CL HTTP request smuggling via duplicate Content-Length in - CVE-2026-40560
Starman versions before 0.4018 for Perl allows HTTP Request - CVE-2026-41873
Pony Mail: Admin account takeover via request smuggling
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