CVE-2026-49756

CVE-2026-49756 describes a CRLF injection in Req.Utils.encode_form_part/2 of the Elixir Req library. User-controlled name, filename, or content_type are interpolated into Content-Disposition and Content-Type without escaping, allowing CRLFs to terminate header lines and add smuggled parts. This e...

EEF-CVE-2026-49756 Multipart form-data header injection in Req via unescaped name/filename/content_type

Summary Improper Neutralization of CRLF Sequences 'CRLF Injection' vulnerability in wojtekmach Req allows multipart parameter smuggling via attacker-influenced part metadata. Req.Utils.encode\form\part/2 in lib/req/utils.ex builds the per-part headers by interpolating the caller-supplied name,...

CVE-2026-49756 Multipart form-data header injection in Req via unescaped name/filename/content_type

Improper Neutralization of CRLF Sequences 'CRLF Injection' vulnerability in wojtekmach Req allows multipart parameter smuggling via attacker-influenced part metadata. Req.Utils.encodeformpart/2 in lib/req/utils.ex builds the per-part headers by interpolating the caller-supplied name, filename, an...

CVE-2026-49756

Improper Neutralization of CRLF Sequences 'CRLF Injection' vulnerability in wojtekmach Req allows multipart parameter smuggling via attacker-influenced part metadata. Req.Utils.encodeformpart/2 in lib/req/utils.ex builds the per-part headers by interpolating the caller-supplied name, filename, an...

USN-8401-1: Netty vulnerabilities

It was discovered that Netty's HTTP proxy handler did not properly validate headers when constructing CONNECT requests. An attacker could possibly use this issue to inject arbitrary HTTP headers into CONNECT requests. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS,...

USN-8401-1 netty vulnerabilities

It was discovered that Netty's HTTP proxy handler did not properly validate headers when constructing CONNECT requests. An attacker could possibly use this issue to inject arbitrary HTTP headers into CONNECT requests. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS,...

Medium: libsoup3

Issue Overview: OOB Read via Integer Overflow on libsoup through libsoup/websocket/soup-websocket-connection.c via processframe leads to Undefined Behavior CVE-2026-0716 A flaw was found in libsoup, an HTTP client library. This vulnerability, known as CRLF Carriage Return Line Feed Injection,...

Medium: perl-HTTP-Tiny

Issue Overview: HTTP::Tiny versions before 0.093 for Perl do not validate CRLF in HTTP request lines or control field header values. The unvalidated inputs are the method and URI in the request line, the URL host that becomes the Host: header, and HTTP/1.1 control data field values. An attacker w...

Medium: perl-HTTP-Tiny

Issue Overview: HTTP::Tiny versions before 0.093 for Perl do not validate CRLF in HTTP request lines or control field header values. The unvalidated inputs are the method and URI in the request line, the URL host that becomes the Host: header, and HTTP/1.1 control data field values. An attacker w...

Amazon Linux 2 : perl-HTTP-Tiny, --advisory ALAS2-2026-3326 (ALAS-2026-3326)

The version of perl-HTTP-Tiny installed on the remote host is prior to 0.033-3. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3326 advisory. HTTP::Tiny versions before 0.093 for Perl do not validate CRLF in HTTP request lines or control field header values. The...

curl: libcurl: HTTP/1.x bare LF byte in response header value enables cookie jar pollution and POST body/credential exfiltration via redirect — RC=0, curl 8

Summary curl's HTTP/1.x response header parser splits header lines using a single memchrbuf, '\n', blen call lib/http.c:4457, with no awareness of whether the current position is inside a quoted-string value. A server response containing any header field whose value embeds a raw LF byte \x0a caus...

CVE-2026-21826

HCL Digital Experience and HCL Digital Experience Compose could be susceptible to Host header injection. An attacker can manipulate the Host header and cause the application to behave in unexpected ways...

EulerOS Virtualization 2.10.1 : python3 (EulerOS-SA-2026-2033)

According to the versions of the python3 packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : If the value passed to os.path.expandvars is user-controlled a performance degradation is possible when expanding environment...

EulerOS Virtualization 2.10.0 : python3 (EulerOS-SA-2026-2060)

According to the versions of the python3 packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : If the value passed to os.path.expandvars is user-controlled a performance degradation is possible when expanding environment...

CVE-2026-7010

HTTP::Tiny versions before 0.093 for Perl do not validate CRLF in HTTP request lines or control field header values. The unvalidated inputs are the method and URI in the request line, the URL host that becomes the Host: header, and HTTP/1.1 control data field values. An attacker who controls one ...

CVE-2026-29199

phpBB before 3.3.16 is vulnerable to Host Header Injection that can lead to password rest link poisoning. When forceservervars is disabled, the servers hostname may be extracted from the HTTP Host header which is used to generate the password reset link URL. An attacker who can manipulate the Hos...

CVE-2025-8154

In Webhook API invocations, the component accepts user-supplied input for HTTP request headers without sufficient validation or sanitization, allowing these headers to be injected into HTTP responses. By exploiting this vulnerability, a malicious actor can inject or overwrite arbitrary HTTP...

CVE-2026-43935

e107 is a content management system CMS. Prior to 2.3.4, a Host Header Injection vulnerability in the password reset page allows attackers to manipulate the Host header to generate password reset links pointing to attacker-controlled domains. This can lead to phishing attacks, account takeover, o...

CVE-2026-32993

Improper sanitization of the status query parameter of the /unprotected/novaerror endpoint allows unauthenticated attacker to inject arbitrary HTTP header to the response...

CVE-2026-39971

Serendipity is a PHP-powered weblog engine. In versions 2.6-beta2 and below, the email sending functionality in include/functions.inc.php inserts $SERVER'HTTPHOST' directly into the Message-ID SMTP header without validation, and the existing sanitization function serendipityisResponseClean is not...