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 (246)
page 4 of 13| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-77634 | Hig | 0.46 | — | 0.00 | Aug 24, 2026 | CakePHP is a rapid development framework for PHP. Prior to versions 4.5.12, 4.6.5, 5.1.8, 5.2.14, and 5.3.7 on their respective release lines, custom mail headers added with Message::setHeaders() or Message::addHeaders() do not have CRLF bytes removed, allowing header injection… | ||
| CVE-2026-46720 | Hig | 0.46 | 8.2 | 0.00 | May 17, 2026 | Net::Statsd::Tiny versions before 0.3.8 for Perl allowed metric injections. The metric names and set values were not checked for newlines, colons or pipes. Metrics generated from untrusted sources could inject additional statsd metrics. | ||
| CVE-2025-59151 | Hig | 0.46 | 8.2 | 0.00 | Oct 27, 2025 | Pi-hole Admin Interface is a web interface for managing Pi-hole, a network-level advertisement and internet tracker blocking application. Pi-hole Admin Interface before 6.3 is vulnerable to Carriage Return Line Feed (CRLF) injection. When a request is made to a file ending with… | ||
| CVE-2024-53693 | Hig | 0.46 | 7.1 | 0.00 | Mar 7, 2025 | An improper neutralization of CRLF sequences ('CRLF Injection') vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers who have gained user access to modify application data. We have already… | ||
| CVE-2018-19585 | Hig | 0.46 | 7.5 | 0.15 | May 17, 2019 | GitLab CE/EE versions 8.18 up to 11.x before 11.3.11, 11.4.x before 11.4.8, and 11.5.x before 11.5.1 have CRLF Injection in Project Mirroring when using the Git protocol. | ||
| CVE-2026-16455 | Med | 0.45 | — | 0.00 | Aug 13, 2026 | In Teltonika Networks RUTOS devices running versions 7.07.1 through 7.24.1 and TSWOS devices running versions 1.03 through 1.10, a vulnerability exists whereby a lower privileged user can escalate privileges to administrative level due to unsafe calls to an execl function. | ||
| CVE-2022-0666 | Hig | 0.45 | 7.5 | 0.44 | Feb 18, 2022 | CRLF Injection leads to Stack Trace Exposure due to lack of filtering at https://demo.microweber.org/ in Packagist microweber/microweber prior to 1.2.11. | ||
| CVE-2026-42586 | Med | 0.44 | 6.8 | 0.00 | May 13, 2026 | Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, the Netty Redis codec encoder (RedisEncoder) writes user-controlled string content directly to the network output buffer without validating or sanitizing CRLF (\r\n)… | ||
| CVE-2026-41570 | Hig | 0.44 | 7.8 | 0.00 | May 8, 2026 | PHPUnit is a testing framework for PHP. In versions 12.5.21 and 13.1.5, PHPUnit forwards PHP INI settings to child processes (used for isolated/PHPT test execution) as -d name=value command-line arguments without neutralizing INI metacharacters. Because PHP's INI parser… | ||
| CVE-2025-0293 | Med | 0.43 | 6.6 | 0.00 | Jul 8, 2025 | CLRF injection in Ivanti Connect Secure before version 22.7R2.8 and Ivanti Policy Secure before version 22.7R1.5 allows a remote authenticated attacker with admin rights to write to a protected configuration file on disk. | ||
| CVE-2025-52479 | Hig | 0.43 | — | 0.00 | Jun 25, 2025 | HTTP.jl provides HTTP client and server functionality for Julia, and URIs.jl parses and works with Uniform Resource Identifiers (URIs). URIs.jl prior to version 1.6.0 and HTTP.jl prior to version 1.10.17 allows the construction of URIs containing CR/LF characters. If user input… | ||
| CVE-2014-2017 | Med | 0.43 | 6.1 | 0.02 | Jan 18, 2018 | CRLF injection vulnerability in OXID eShop Professional Edition before 4.7.11 and 4.8.x before 4.8.4, Enterprise Edition before 5.0.11 and 5.1.x before 5.1.4, and Community Edition before 4.7.11 and 4.8.x before 4.8.4 allows remote attackers to inject arbitrary HTTP headers and… | ||
| CVE-2026-59920 | Med | 0.42 | 6.5 | 0.00 | Jul 29, 2026 | Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.136.Final and 4.2.16.Final, Netty's STOMP encoder ( StompSubframeEncoder ) does not escape or validate header values in CONNECT and CONNECTED frames, so raw newline ( \n )… | ||
| CVE-2026-16313 | Hig | 0.42 | 7.6 | 0.00 | Jul 28, 2026 | A flaw was found in sg3_utils. The sg_inq command, when invoked with the --export option, outputs device identification data without sanitizing control characters in SCSI name string fields. A newline character embedded in a device-supplied name string can inject arbitrary… | ||
| 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… |
- risk 0.46cvss —epss 0.00
CakePHP is a rapid development framework for PHP. Prior to versions 4.5.12, 4.6.5, 5.1.8, 5.2.14, and 5.3.7 on their respective release lines, custom mail headers added with Message::setHeaders() or Message::addHeaders() do not have CRLF bytes removed, allowing header injection…
- risk 0.46cvss 8.2epss 0.00
Net::Statsd::Tiny versions before 0.3.8 for Perl allowed metric injections. The metric names and set values were not checked for newlines, colons or pipes. Metrics generated from untrusted sources could inject additional statsd metrics.
- risk 0.46cvss 8.2epss 0.00
Pi-hole Admin Interface is a web interface for managing Pi-hole, a network-level advertisement and internet tracker blocking application. Pi-hole Admin Interface before 6.3 is vulnerable to Carriage Return Line Feed (CRLF) injection. When a request is made to a file ending with…
- risk 0.46cvss 7.1epss 0.00
An improper neutralization of CRLF sequences ('CRLF Injection') vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers who have gained user access to modify application data. We have already…
- risk 0.46cvss 7.5epss 0.15
GitLab CE/EE versions 8.18 up to 11.x before 11.3.11, 11.4.x before 11.4.8, and 11.5.x before 11.5.1 have CRLF Injection in Project Mirroring when using the Git protocol.
- risk 0.45cvss —epss 0.00
In Teltonika Networks RUTOS devices running versions 7.07.1 through 7.24.1 and TSWOS devices running versions 1.03 through 1.10, a vulnerability exists whereby a lower privileged user can escalate privileges to administrative level due to unsafe calls to an execl function.
- risk 0.45cvss 7.5epss 0.44
CRLF Injection leads to Stack Trace Exposure due to lack of filtering at https://demo.microweber.org/ in Packagist microweber/microweber prior to 1.2.11.
- risk 0.44cvss 6.8epss 0.00
Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, the Netty Redis codec encoder (RedisEncoder) writes user-controlled string content directly to the network output buffer without validating or sanitizing CRLF (\r\n)…
- risk 0.44cvss 7.8epss 0.00
PHPUnit is a testing framework for PHP. In versions 12.5.21 and 13.1.5, PHPUnit forwards PHP INI settings to child processes (used for isolated/PHPT test execution) as -d name=value command-line arguments without neutralizing INI metacharacters. Because PHP's INI parser…
- risk 0.43cvss 6.6epss 0.00
CLRF injection in Ivanti Connect Secure before version 22.7R2.8 and Ivanti Policy Secure before version 22.7R1.5 allows a remote authenticated attacker with admin rights to write to a protected configuration file on disk.
- risk 0.43cvss —epss 0.00
HTTP.jl provides HTTP client and server functionality for Julia, and URIs.jl parses and works with Uniform Resource Identifiers (URIs). URIs.jl prior to version 1.6.0 and HTTP.jl prior to version 1.10.17 allows the construction of URIs containing CR/LF characters. If user input…
- risk 0.43cvss 6.1epss 0.02
CRLF injection vulnerability in OXID eShop Professional Edition before 4.7.11 and 4.8.x before 4.8.4, Enterprise Edition before 5.0.11 and 5.1.x before 5.1.4, and Community Edition before 4.7.11 and 4.8.x before 4.8.4 allows remote attackers to inject arbitrary HTTP headers and…
- risk 0.42cvss 6.5epss 0.00
Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.136.Final and 4.2.16.Final, Netty's STOMP encoder ( StompSubframeEncoder ) does not escape or validate header values in CONNECT and CONNECTED frames, so raw newline ( \n )…
- risk 0.42cvss 7.6epss 0.00
A flaw was found in sg3_utils. The sg_inq command, when invoked with the --export option, outputs device identification data without sanitizing control characters in SCSI name string fields. A newline character embedded in a device-supplied name string can inject arbitrary…
- 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…