CWE-93
Improper Neutralization of CRLF Sequences ('CRLF Injection')
Description
The product uses CRLF (carriage return line feeds) as a special element, e.g. to separate lines or records, but it does not neutralize or incorrectly neutralizes CRLF sequences from inputs.
Hierarchy (View 1000)
Related attack patterns (CAPEC)
CAPEC-15 · CAPEC-81
CVEs mapped to this weakness (213)
page 4 of 11| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-55603 | Hig | 0.42 | 7.5 | 0.00 | Jun 22, 2026 | http-proxy-middleware is node.js http-proxy middleware. From 3.0.4 until 3.0.7 and 4.1.1, fixRequestBody() is the library's documented helper for re-emitting a request body that was already consumed by a body parser. When the outgoing Content-Type is multipart/form-data, it… | ||
| CVE-2026-50269 | Hig | 0.42 | 7.5 | 0.00 | Jun 22, 2026 | AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.0, attacker-controlled input included into multipart/payload headers can be used to modify a request to inject additional headers or similar. In the unlikely situation that an… | ||
| CVE-2026-12143 | Hig | 0.42 | 7.5 | 0.01 | Jun 12, 2026 | form-data is a library for creating readable multipart/form-data streams. In versions through 4.0.5, the `field` argument to `FormData#append` and the `filename` option are concatenated verbatim into the `Content-Disposition` header without escaping carriage return (CR), line… | ||
| CVE-2026-50639 | Med | 0.42 | 6.5 | 0.00 | Jun 10, 2026 | Metrics::Any::Adapter::SignalFx versions before 0.04 for Perl does not protect against metric injections. The statsd protocol (and extensions such as dogstatsd) allow mutiple metrics,separated by newlines, to be sent per packet. Metrics::Any::Adapter::SignalFx which extends… | ||
| CVE-2026-8722 | Med | 0.42 | 6.5 | 0.00 | Jun 4, 2026 | Net::Async::Statsd::Client versions through 0.005 for Perl allow metric injections. The metric names are not checked for newlines, colons or pipes. Metrics generated from untrusted sources could inject additional statsd metrics. | ||
| CVE-2026-47075 | Hig | 0.42 | 7.5 | 0.00 | May 25, 2026 | Improper Neutralization of CRLF Sequences vulnerability in benoitc hackney allows HTTP Request Splitting. hackney does not percent-encode carriage return (\r) or line feed (\n) characters in the URL query component before constructing the HTTP/1.1 request target. Characters… | ||
| CVE-2026-47072 | Hig | 0.42 | 7.5 | 0.01 | May 25, 2026 | Improper Neutralization of CRLF Sequences ('CRLF Injection') vulnerability in benoitc hackney allows HTTP Request/Response Splitting. The WebSocket upgrade code in src/hackney_ws.erl copies the host, path, headers (ExtraHeaders), and protocols options from the caller-supplied… | ||
| CVE-2026-42578 | Hig | 0.42 | 7.5 | 0.01 | May 13, 2026 | Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty's HttpProxyHandler constructs HTTP CONNECT requests with header validation explicitly disabled. The newInitialMessage() method creates headers using… | ||
| CVE-2026-32964 | Med | 0.42 | 6.5 | 0.00 | Apr 20, 2026 | SD-330AC and AMC Manager provided by silex technology, Inc. contain an improper neutralization of CRLF sequences ('CRLF Injection') vulnerability. Processing some crafted configuration data may lead to arbitrary entries injected to the system configuration. | ||
| CVE-2026-33128 | — | Hig | 0.42 | 7.5 | 0.01 | Mar 20, 2026 | H3 is a minimal H(TTP) framework. In versions prior to 1.15.6 and between 2.0.0 through 2.0.1-rc.14, createEventStream is vulnerable to Server-Sent Events (SSE) injection due to missing newline sanitization in formatEventStreamMessage() and formatEventStreamComment(). An… | |
| CVE-2026-22777 | Hig | 0.42 | 7.5 | 0.00 | Jan 10, 2026 | ComfyUI-Manager is an extension designed to enhance the usability of ComfyUI. Prior to versions 3.39.2 and 4.0.5, an attacker can inject special characters into HTTP query parameters to add arbitrary configuration values to the config.ini file. This can lead to security setting… | ||
| CVE-2022-50682 | Med | 0.42 | 6.5 | 0.00 | Dec 18, 2025 | A CRLF injection vulnerability in Kentico Xperience allows attackers to manipulate URL query string redirects via improper encoding in the routing engine. This could enable header injection and potentially facilitate further web application attacks. | ||
| CVE-2025-56007 | Med | 0.42 | 6.5 | 0.00 | Oct 23, 2025 | CRLF-injection in KeeneticOS before 4.3 at "/auth" API endpoint allows attackers to take over the device via adding additional users with full permissions by managing the victim to open page with exploit. | ||
| CVE-2025-27111 | Hig | 0.42 | 7.5 | 0.01 | Mar 4, 2025 | Rack is a modular Ruby web server interface. The Rack::Sendfile middleware logs unsanitised header values from the X-Sendfile-Type header. An attacker can exploit this by injecting escape sequences (such as newline characters) into the header, resulting in log injection. This… | ||
| CVE-2024-7472 | Med | 0.42 | 6.5 | 0.00 | Oct 29, 2024 | lunary-ai/lunary v1.2.26 contains an email injection vulnerability in the Send email verification API (/v1/users/send-verification) and Sign up API (/auth/signup). An unauthenticated attacker can inject data into outgoing emails by bypassing the extractFirstName function using a… | ||
| CVE-2023-0040 | Hig | 0.42 | 7.5 | 0.01 | Jan 18, 2023 | Versions of Async HTTP Client prior to 1.13.2 are vulnerable to a form of targeted request manipulation called CRLF injection. This vulnerability was the result of insufficient validation of HTTP header field values before sending them to the network. Users are vulnerable if… | ||
| CVE-2021-31402 | Hig | 0.42 | 7.5 | 0.01 | Apr 15, 2021 | The dio package 4.0.0 for Dart allows CRLF injection if the attacker controls the HTTP method string, a different vulnerability than CVE-2020-35669. | ||
| CVE-2018-6148 | Med | 0.42 | 6.5 | 0.01 | Jun 27, 2019 | Incorrect implementation in Content Security Policy in Google Chrome prior to 67.0.3396.79 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. | ||
| CVE-2016-4975 | Med | 0.41 | 6.1 | 0.20 | Aug 14, 2018 | Possible CRLF injection allowing HTTP response splitting attacks for sites which use mod_userdir. This issue was mitigated by changes made in 2.4.25 and 2.2.32 which prohibit CR or LF injection into the "Location" or other outbound header key or value. Fixed in Apache HTTP… | ||
| CVE-2016-3115 | Med | 0.41 | 6.4 | 0.37 | Mar 22, 2016 | Multiple CRLF injection vulnerabilities in session.c in sshd in OpenSSH before 7.2p2 allow remote authenticated users to bypass intended shell-command restrictions via crafted X11 forwarding data, related to the (1) do_authenticated1 and (2) session_x11_req functions. |
- risk 0.42cvss 7.5epss 0.00
http-proxy-middleware is node.js http-proxy middleware. From 3.0.4 until 3.0.7 and 4.1.1, fixRequestBody() is the library's documented helper for re-emitting a request body that was already consumed by a body parser. When the outgoing Content-Type is multipart/form-data, it…
- risk 0.42cvss 7.5epss 0.00
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.0, attacker-controlled input included into multipart/payload headers can be used to modify a request to inject additional headers or similar. In the unlikely situation that an…
- risk 0.42cvss 7.5epss 0.01
form-data is a library for creating readable multipart/form-data streams. In versions through 4.0.5, the `field` argument to `FormData#append` and the `filename` option are concatenated verbatim into the `Content-Disposition` header without escaping carriage return (CR), line…
- risk 0.42cvss 6.5epss 0.00
Metrics::Any::Adapter::SignalFx versions before 0.04 for Perl does not protect against metric injections. The statsd protocol (and extensions such as dogstatsd) allow mutiple metrics,separated by newlines, to be sent per packet. Metrics::Any::Adapter::SignalFx which extends…
- risk 0.42cvss 6.5epss 0.00
Net::Async::Statsd::Client versions through 0.005 for Perl allow metric injections. The metric names are not checked for newlines, colons or pipes. Metrics generated from untrusted sources could inject additional statsd metrics.
- risk 0.42cvss 7.5epss 0.00
Improper Neutralization of CRLF Sequences vulnerability in benoitc hackney allows HTTP Request Splitting. hackney does not percent-encode carriage return (\r) or line feed (\n) characters in the URL query component before constructing the HTTP/1.1 request target. Characters…
- risk 0.42cvss 7.5epss 0.01
Improper Neutralization of CRLF Sequences ('CRLF Injection') vulnerability in benoitc hackney allows HTTP Request/Response Splitting. The WebSocket upgrade code in src/hackney_ws.erl copies the host, path, headers (ExtraHeaders), and protocols options from the caller-supplied…
- risk 0.42cvss 7.5epss 0.01
Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty's HttpProxyHandler constructs HTTP CONNECT requests with header validation explicitly disabled. The newInitialMessage() method creates headers using…
- risk 0.42cvss 6.5epss 0.00
SD-330AC and AMC Manager provided by silex technology, Inc. contain an improper neutralization of CRLF sequences ('CRLF Injection') vulnerability. Processing some crafted configuration data may lead to arbitrary entries injected to the system configuration.
- risk 0.42cvss 7.5epss 0.01
H3 is a minimal H(TTP) framework. In versions prior to 1.15.6 and between 2.0.0 through 2.0.1-rc.14, createEventStream is vulnerable to Server-Sent Events (SSE) injection due to missing newline sanitization in formatEventStreamMessage() and formatEventStreamComment(). An…
- risk 0.42cvss 7.5epss 0.00
ComfyUI-Manager is an extension designed to enhance the usability of ComfyUI. Prior to versions 3.39.2 and 4.0.5, an attacker can inject special characters into HTTP query parameters to add arbitrary configuration values to the config.ini file. This can lead to security setting…
- risk 0.42cvss 6.5epss 0.00
A CRLF injection vulnerability in Kentico Xperience allows attackers to manipulate URL query string redirects via improper encoding in the routing engine. This could enable header injection and potentially facilitate further web application attacks.
- risk 0.42cvss 6.5epss 0.00
CRLF-injection in KeeneticOS before 4.3 at "/auth" API endpoint allows attackers to take over the device via adding additional users with full permissions by managing the victim to open page with exploit.
- risk 0.42cvss 7.5epss 0.01
Rack is a modular Ruby web server interface. The Rack::Sendfile middleware logs unsanitised header values from the X-Sendfile-Type header. An attacker can exploit this by injecting escape sequences (such as newline characters) into the header, resulting in log injection. This…
- risk 0.42cvss 6.5epss 0.00
lunary-ai/lunary v1.2.26 contains an email injection vulnerability in the Send email verification API (/v1/users/send-verification) and Sign up API (/auth/signup). An unauthenticated attacker can inject data into outgoing emails by bypassing the extractFirstName function using a…
- risk 0.42cvss 7.5epss 0.01
Versions of Async HTTP Client prior to 1.13.2 are vulnerable to a form of targeted request manipulation called CRLF injection. This vulnerability was the result of insufficient validation of HTTP header field values before sending them to the network. Users are vulnerable if…
- risk 0.42cvss 7.5epss 0.01
The dio package 4.0.0 for Dart allows CRLF injection if the attacker controls the HTTP method string, a different vulnerability than CVE-2020-35669.
- risk 0.42cvss 6.5epss 0.01
Incorrect implementation in Content Security Policy in Google Chrome prior to 67.0.3396.79 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page.
- risk 0.41cvss 6.1epss 0.20
Possible CRLF injection allowing HTTP response splitting attacks for sites which use mod_userdir. This issue was mitigated by changes made in 2.4.25 and 2.2.32 which prohibit CR or LF injection into the "Location" or other outbound header key or value. Fixed in Apache HTTP…
- risk 0.41cvss 6.4epss 0.37
Multiple CRLF injection vulnerabilities in session.c in sshd in OpenSSH before 7.2p2 allow remote authenticated users to bypass intended shell-command restrictions via crafted X11 forwarding data, related to the (1) do_authenticated1 and (2) session_x11_req functions.