CWE-113

Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')

Parent: CWE-93 - Improper Neutralization of CRLF Sequences ('CRLF Injection')

The product receives data from an HTTP agent/component (e.g., web server, proxy, browser, etc.), but it does not neutralize or incorrectly neutralizes CR and LF characters before the data is included in outgoing HTTP headers.

107 vulnerabilities with CWE-113
CVE-2026-34767 MEDIUM
Electron: HTTP Response Header Injection in custom protocol handlers and webRequest
CVSS 5.9
CVE-2026-34715 MEDIUM
ewe Has Improper Neutralization of CRLF Sequences in HTTP Headers (HTTP Request/Response Splitting)
CVSS 5.3
CVE-2026-34520 CRITICAL
AIOHTTP: C parser (llhttp) accepts null bytes and control characters in response header values - header injection / security bypass
CVSS 9.1
CVE-2026-34519 MEDIUM
AIOHTTP: HTTP response splitting via \r in reason phrase
CVSS 5.3
CVE-2026-34514 MEDIUM
AIOHTTP: CRLF injection in multipart part content type header construction
CVSS 5.3
CVE-2026-27810 MEDIUM
calibre <9.4.0 - HTTP Response Header Injection
CVSS 6.4
CVE-2026-24320 LOW
SAP NetWeaver AS ABAP Kernel - Memory Corruption via Crafted Input
CVSS 3.1
CVE-2026-23686 LOW
SAP NetWeaver Application Server Java - CRLF Injection
CVSS 3.4
CVE-2026-24489 MEDIUM
Gakido < 0.1.1 - HTTP Header Injection via CRLF Sequence
CVSS 5.3
CVE-2026-22779 MEDIUM
BlackSheep < 2.4.6 - HTTP Request/Response Splitting via CRLF Injection
CVSS 5.3
CVE-2025-62826 LOW
Fortinet FortiPAM - Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')
CVSS 3.1
CVE-2025-62675 LOW
Fortinet FortiOS - Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')
CVSS 3.4
CVE-2025-71381 MEDIUM
Hono - Vary Header Injection in CORS Middleware
CVSS 6.5
CVE-2025-55271 LOW
HCL Aftermarket DPC is affected by HTTP Response Splitting vulnerability
CVSS 3.1
CVE-2025-59151 HIGH
Pi-hole Web Interface < 6.3 - HTTP Response Splitting via .lp File Redirect
CVSS 8.2
CVE-2025-61689 HIGH
HTTP.jl <1.10.19 - CRLF-based Header Injection
CVE-2025-40927 HIGH
CGI::Simple < 1.282 - HTTP Response Splitting via URL-Encoded Parameter Injection
CVSS 7.3
CVE-2025-42934 MEDIUM
SAP S/4HANA Supplier invoice - Authenticated CRLF Injection via Trusted Sites Configuration
CVSS 4.3
CVE-2025-53094 HIGH
ESPAsyncWebServer <3.7.8 - CRLF Injection
CVE-2025-53007 HIGH
Arduino-esp32 <3.3.0-RC1, <3.2.1 - SSRF
CVE-2025-52479 HIGH
HTTP.jl <1.10.17 & URIs.jl <1.6.0 - CRLF Injection
CVE-2025-41234 MEDIUM
Spring Framework <6.0.5, 6.1.x, 6.2.x - RFD
CVSS 6.5
CVE-2025-30221 MEDIUM
Pitchfork <0.11.0 - HTTP Response Header Injection
CVSS 4.3
CVE-2025-0588 MEDIUM
Octopus Server 2020.1.0-2024.3.13097 - Denial of Service via Crafted Referrer Header
CVSS 4.9
CVE-2025-0825 MEDIUM
cpp-httplib 0.17.3-0.18.3 - HTTP Response Splitting via Null Byte Prefixed CRLF Injection
CVSS 5.3
Details
Vulnerabilities 107