ExponentCMS <= 2.6 - Host Header Injection

An HTTP Host header attack exists in ExponentCMS 2.6 and below in /exponentconstants.php. A modified HTTP header can change links on the webpage to an arbitrary value,leading to a possible attack vector for MITM. id: CVE-2021-38751 info: name: ExponentCMS = 2.6 - Host Header Injection author:...

Ruby on Rails - Open Redirect via Host Header Injection

Ruby on Rails action pack before 6.1.2.1, 6.0.3.5 contains an open redirect caused by special crafted Host headers in combination with allowed host formats, letting attackers redirect users to malicious websites, exploit requires attacker to control Host headers. id: CVE-2021-22881 info: name: Ru...

USN-8571-1: Apache HTTP Server vulnerabilities

Pavel Kohout and Arkadi Vainbrand discovered that Apache HTTP Server incorrectly handled certain memory operations in modauthnsocache. A remote attacker could possibly use this issue to cause a denial of service. CVE-2026-33007 Haruki Oyama, Merih Mengisteab, and Dawit Jeong discovered that Apach...

EUVD-2025-203032

Tornado vulnerable to Header Injection and XSS via reason argument...

CVE-2026-45070

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 emits parameter names verbatim, allowing a caller that derive...

CVE-2026-45070 Symfony: Email Header Injection via Non-Token Characters in Mime Parameter Names

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 emits parameter names verbatim, allowing a caller that derive...

CVE-2026-45070

This CVE concerns Symfony's Mime ParameterizedHeader: parameter names are emitted verbatim in serialized headers, allowing CRLF or non-token bytes to be injected via untrusted input. Affected component: Symfony\Component\Mime\Header\ParameterizedHeader (and related Headers). Root cause: names are...

CVE-2026-45070 Symfony: Email Header Injection via Non-Token Characters in Mime Parameter Names

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 emits parameter names verbatim, allowing a caller that derive...

CVE-2026-45067 Symfony: Email Header / SMTP Command Injection via CRLF in Symfony\Component\Mime\Address

Description Symfony\Component\Mime\Address is the value-object every Symfony Mailer address to/cc/bcc/from/reply-to flows through; its constructor is documented as validating the address and throwing on invalid input, so developers treat it as a security boundary. The constructor accepts email...

CVE-2026-45067

The CVE affects Symfony MIME Address: the constructor previously accepted local-parts like "x\r\nBcc: attacker@evil" which could be emitted into message headers and SMTP commands (MAIL FROM/RCPT), enabling CRLF injection. The issue’s root cause is acceptance of line breaks in quoted local-parts; ...

CVE-2025-62826

Summary: CVE-2025-62826 describes an HTTP Response Splitting (CWE-113) in Fortinet FortiOS and FortiProxy products. Affected versions: FortiOS 7.6.0–7.6.4, FortiOS 7.4 all versions, FortiOS 7.2 all versions; FortiProxy 7.6.0–7.6.4, FortiProxy 7.4 all versions, FortiProxy 7.2 all versions. Root ca...

CVE-2025-62675

The CVE-2025-62675 entry concerns an issue described as an Improper Neutralization of CRLF Sequences in HTTP Headers (HTTP Response Splitting) in Fortinet FortiOS and FortiProxy products. Affected versions are FortiOS 7.6.0–7.6.4, FortiOS 7.4 all versions, FortiOS 7.2 all versions, FortiProxy 7.6...

Fortinet Fortigate Header injection in captive portal authentication form (FG-IR-26-153)

The version of Fortigate installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the FG-IR-26-153 advisory. - An Improper Neutralization of CRLF Sequences in HTTP Headers 'HTTP Response Splitting' vulnerability CWE-113 vulnerability ...

EulerOS 2.0 SP10 : busybox (EulerOS-SA-2026-2682)

According to the versions of the busybox packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : BusyBox wget thru 1.3.7 accepted raw CR 0x0D/LF 0x0A and other C0 control bytes in the HTTP request- target path/query, allowing the request line...

Fortinet Fortigate Header injection in Web Filter warning page (FG-IR-26-152)

The version of Fortigate installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the FG-IR-26-152 advisory. - An Improper Neutralization of CRLF Sequences in HTTP Headers 'HTTP Response Splitting' vulnerability CWE-113 vulnerability ...

CVE-2026-15155

The Essential Addons for Elementor – Popular Elementor Templates & Widgets plugin for WordPress is vulnerable to Authenticated Account Takeover via Email Header Injection in all versions up to, and including, 6.6.10 This is due to insufficient server-side validation of a Login/Register widget...

CVE-2026-15155 Essential Addons for Elementor <= 6.6.10 - Authenticated (Contributor+) Account Takeover via Email Header Injection

The Essential Addons for Elementor – Popular Elementor Templates & Widgets plugin for WordPress is vulnerable to Authenticated Account Takeover via Email Header Injection in all versions up to, and including, 6.6.10 This is due to insufficient server-side validation of a Login/Register widget...

CVE-2026-15155

The CVE-2026-15155 entry concerns the WordPress plugin Essential Addons for Elementor (

EUVD-2026-43160

The Essential Addons for Elementor – Popular Elementor Templates & Widgets plugin for WordPress is vulnerable to Authenticated Account Takeover via Email Header Injection in all versions up to, and including, 6.6.10 This is due to insufficient server-side validation of a Login/Register widget...

undici: undici vulnerable to HTTP header injection via Set-Cookie percent-decoding

A flaw was found in undici. The cookie parser in the parseSetCookie function incorrectly decodes cookie values, which is contrary to standard specifications. This vulnerability allows an attacker-controlled upstream to inject arbitrary HTTP response headers, such as Set-Cookie, Location, or...