CWE-93— CRLF Injection
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.— MITRE CWE catalog
291 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-93page 3 of 6
- CVE-2018-12477HIGHCVSS 3.5EG 7.52018-10-09
A Improper Neutralization of CRLF Sequences vulnerability in Open Build Service allows remote attackers to cause deletion of directories by tricking obs-service-refresh_patches to delete them. Affected releases are openSUSE Open Build Serv…
- CVE-2007-0892HIGHCVSS v2 7.5EG 7.52007-02-12
CRLF injection vulnerability in phpMyVisites before 2.2 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via CRLF sequences in the url parameter, when the pagename parameter begins with "…
- CVE-2026-90819HIGHCVSS 7.3EG 7.32026-09-14
A weakness has been identified in a2aproject a2a-java 1.2.0. The affected element is the function BasePushNotificationSender.dispatchNotification of the file server-common/src/main/java/org/a2aproject/sdk/server/tasks/BasePushNotificationS…
- CVE-2026-72913HIGHCVSS 7.3EG 7.32026-08-10
Kitty is a cross-platform GPU based terminal. Prior to 0.48.2, the @kitty-echo and @kitty-ssh DCS handlers in kitty/window.py write unauthenticated data to the child shell's stdin, where handle_remote_echo accepts printable shell command c…
- CVE-2026-8788HIGHCVSS 7.3EG 7.32026-05-18
Net::Statsd::Lite versions through 0.10.0 for Perl allowed metric injections. The values from the set_add method were not checked for newlines, colons or pipes. Metrics generated from untrusted sources could inject additional statsd metri…
- CVE-2026-111222HIGHCVSS 7.2EG 7.22026-10-15
Netgate pfSense CE through 2.9.0 contains a php.ini injection vulnerability that allows authenticated users with General Setup privileges to inject directives by submitting an unvalidated timezone value. Attackers can embed a quote and new…
- CVE-2026-111221HIGHCVSS 7.2EG 7.22026-10-15
Netgate pfSense CE through 2.9.0 contains a configuration injection vulnerability that allows authenticated WebGUI users to inject mpd5 commands by submitting an unescaped RADIUS shared secret. Attackers with L2TP or PPPoE Server edit priv…
- CVE-2026-111220HIGHCVSS 7.2EG 7.22026-10-15
pfSense CE through 2.9.0 contains a crontab injection vulnerability in interfaces_ppps_edit.php that allows authenticated users to execute commands as root by injecting newlines into the ptpid or reset hour/minute fields. Attackers holding…
- CVE-2026-111219HIGHCVSS 7.2EG 7.22026-10-15
Netgate pfSense CE through 2.9.0 contains a newline injection vulnerability in services_pppoe_edit.php that allows privileged users to inject mpd.secret entries via unvalidated username POST fields. Attackers with the PPPoE Server Edit pri…
- CVE-2026-61815HIGHCVSS 7.2EG 7.22026-09-24
zbateson/mail-mime-parser is a mail mime parser alternative to PHP's imap* functions and Pear libraries for reading messages in Internet Message Format RFC 822. Prior to version 3.0.6 and 4.0.2, CRLF (carriage-return / line-feed) header in…
- CVE-2026-12357HIGHCVSS 7.2EG 7.22026-07-29
Heimdall Data Database Proxy generateFileContent CRLF Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Heimdall Data Database Proxy. Authentica…
- CVE-2025-6175HIGHCVSS 7.2EG 7.22025-07-29
Improper Neutralization of CRLF Sequences ('CRLF Injection') vulnerability in DECE Software Geodi allows HTTP Request Splitting. This issue affects Geodi: before GEODI Setup 9.0.146.
- CVE-2026-114720HIGHCVSS 7.1EG 7.12026-10-22
Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an IMAP command injection vulnerability. A remote authenticated attacker can exploit this via CRLF sequences injected into the _flag parameter of the mail/mark action to…
- CVE-2026-113386HIGHCVSS 7.1EG 7.12026-10-20
Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 are affected by IMAP command injection. A remote authenticated attacker can exploit this via CRLF sequences injected into the _uid parameter of the mail/headers and mail/viewsource act…
- CVE-2026-42586HIGHCVSS 7.1EG 7.12026-05-13
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…
- CVE-2024-53693HIGHCVSS 7.1EG 7.12025-03-07
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 m…
- CVE-2026-75484MEDIUMCVSS 6.9EG 6.92026-08-20
Improper Neutralization of CRLF Sequences ('CRLF Injection') vulnerability in mtrudel bandit allows an unauthenticated remote attacker to smuggle CR, LF, or NUL characters into application-visible request headers via HTTP/2. Bandit.HTTP2.S…
- CVE-2026-16455MEDIUMCVSS 6.9EG 6.92026-08-13
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 …
- CVE-2026-53533MEDIUMCVSS 6.9EG 6.92026-07-07
aiosmtplib is an asynchronous SMTP client for use with asyncio. Prior to 5.1.1, SMTP.mail(), SMTP.rcpt(), SMTP.vrfy(), and SMTP.expn() send caller-supplied addresses without rejecting embedded CR or LF bytes. Data after the line break is f…
- CVE-2026-50188MEDIUMCVSS 6.9EG 6.92026-06-18
Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites and plugins using the Kirby Http Remote class, including Remote::request(), Remote::get(), and Remote::post(), to send outgoing HTTP requests with unt…
- CVE-2025-57804MEDIUMCVSS 6.9EG 6.92025-08-25
h2 is a pure-Python implementation of a HTTP/2 protocol stack. Prior to version 4.3.0, an HTTP/2 request splitting vulnerability allows attackers to perform request smuggling attacks by injecting CRLF characters into headers. This occurs w…
- CVE-2026-119424MEDIUMCVSS 6.8EG 6.82026-10-30
OPNsense core before 26.7.8 contains a configuration line injection vulnerability that allows authenticated users with wireless-edit privilege to inject directives by embedding CR/LF characters in WPA fields. Attackers can place newlines i…
- CVE-2020-11078MEDIUMCVSS 6.8EG 6.82020-05-20
In httplib2 before version 0.18.0, an attacker controlling unescaped part of uri for `httplib2.Http.request()` could change request headers and body, send additional hidden requests to same server. This vulnerability impacts software that …
- CVE-2016-3115MEDIUMCVSS 6.4EG 6.72016-03-22
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 (…
- CVE-2026-102145MEDIUMCVSS 6.6EG 6.62026-09-30
An authenticated administrator could cause the server to issue requests to, and interact with, internal network services that are not meant to be reachable through this interface. On its own this did not result in code execution.
- CVE-2026-44217MEDIUMCVSS 6.6EG 6.62026-05-12
sse-channel is an SSE-implementation which can be used to any node.js http request/response stream. Prior to 4.0.1, implementations that allow user-provided values to be passed to event, retry or id fields are susceptible to event spoofing…
- CVE-2025-0293MEDIUMCVSS 6.6EG 6.62025-07-08
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-2026-113403MEDIUMCVSS 6.5EG 6.52026-10-20
ArmorX Spam developed by ArmorX Global Technology has a Command Injection vulnerability. Authenticated remote attackers can inject crafted commands into a specific parameter, thereby uploading malicious code to the server.
- CVE-2026-90767MEDIUMCVSS 6.5EG 6.52026-09-13
Froxlor before 2.3.12 fails to properly validate multi-line SSH public keys in the SshKeys::add() endpoint, allowing customers to inject arbitrary lines into authorized_keys files. Attackers can inject malicious SSH key entries with option…
- CVE-2026-53788MEDIUMCVSS 6.5EG 6.52026-08-13
rsync before 3.5.0 contains a newline injection vulnerability in the name-converter uid/gid mapping interface that allows local attackers to forge protocol messages by creating user or group names containing newline characters. Attackers …
- CVE-2026-59921MEDIUMCVSS 6.5EG 6.52026-07-22
Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, HttpPostRequestEncoder constructs multipart HTTP request bodies by directly concatenating user-supplied filenames and f…
- CVE-2026-59920MEDIUMCVSS 6.5EG 6.52026-07-22
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 CONN…
- CVE-2026-50639MEDIUMCVSS 6.5EG 6.52026-06-10
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…
- CVE-2026-8722MEDIUMCVSS 6.5EG 6.52026-06-03
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-2026-45070MEDIUMCVSS 6.5EG 6.52026-05-27
Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 5.4.52, 6.4.40, 7.4.12, and 8.0.12, Symfony\Component\Mime\Header\ParameterizedHeader validates and encodes parameter values but emi…
- CVE-2026-46719MEDIUMCVSS 6.5EG 6.52026-05-16
Net::Statsd::Lite versions before 0.9.0 for Perl allowed metric injections. The metric names were not checked for newlines, colons or pipes. Metrics generated from untrusted sources could inject additional statsd metrics.
- CVE-2026-32964MEDIUMCVSS 6.5EG 6.52026-04-20
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 sys…
- CVE-2026-26962MEDIUMCVSS 6.5EG 6.52026-04-02
Rack is a modular Ruby web server interface. From version 3.2.0 to before version 3.2.6, Rack::Multipart::Parser unfolds folded multipart part headers incorrectly. When a multipart header contains an obs-fold sequence, Rack preserves the e…
- CVE-2026-3633MEDIUMCVSS 6.5EG 6.52026-03-17
A flaw was found in libsoup. A remote attacker, by controlling the method parameter of the `soup_message_new()` function, could inject arbitrary headers and additional request data. This vulnerability, known as CRLF (Carriage Return Line F…
- CVE-2026-3634MEDIUMCVSS 6.5EG 6.52026-03-17
A flaw was found in libsoup. An attacker controlling the value used to set the Content-Type header can inject a Carriage Return Line Feed (CRLF) sequence due to improper input sanitization in the `soup_message_headers_set_content_type()` f…
- CVE-2022-50682MEDIUMCVSS 6.5EG 6.52025-12-18
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 applicatio…
- CVE-2025-67735MEDIUMCVSS 6.5EG 6.52025-12-16
Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.129.Final and 4.2.8.Final, the `io.netty.handler.codec.http.HttpRequestEncoder` has a CRLF injection with the request URI when constructing a re…
- CVE-2025-56007MEDIUMCVSS 6.5EG 6.52025-10-23
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-2025-48388MEDIUMCVSS 6.5EG 6.52025-05-29
FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.178, the application performs insufficient validation of user-supplied data, which is used as arguments to string formatting functions. As a result, an atta…
- CVE-2025-25184MEDIUMCVSS 6.5EG 6.52025-02-12
Rack provides an interface for developing web applications in Ruby. Prior to versions 2.2.11, 3.0.12, and 3.1.10, Rack::CommonLogger can be exploited by crafting input that includes newline characters to manipulate log entries. The supplie…
- CVE-2024-7472MEDIUMCVSS 6.5EG 6.52024-10-29
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 bypassi…
- CVE-2023-23936MEDIUMCVSS 6.5EG 6.52023-02-16
Undici is an HTTP/1.1 client for Node.js. Starting with version 2.0.0 and prior to version 5.19.1, the undici library does not protect `host` HTTP header from CRLF injection vulnerabilities. This issue is patched in Undici v5.19.1. As a wo…
- CVE-2018-6148MEDIUMCVSS 6.5EG 6.52019-06-27
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-2016-9964MEDIUMCVSS 6.5EG 6.52016-12-16
redirect() in bottle.py in bottle 0.12.10 doesn't filter a "\r\n" sequence, which leads to a CRLF attack, as demonstrated by a redirect("233\r\nSet-Cookie: name=salt") call.
- CVE-2017-7528MEDIUMCVSS 5.2EG 6.52018-08-22
Ansible Tower as shipped with Red Hat CloudForms Management Engine 5 is vulnerable to CRLF Injection. It was found that X-Forwarded-For header allows internal servers to deploy other systems (using callback).
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