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...

EUVD-2026-36602

Nezha Monitoring: OAuth2 Redirect URL — Host Header Injection...

CVE-2026-54588 Poweradmin has Host Header Injection in OIDC redirect_uri, SAML ACS/SLO URL, and Logout Redirect Construction.

Poweradmin is a web-based DNS administration tool for PowerDNS server. Versions prior to 4.2.4 and 4.3.3 use the attacker-controlled HTTPHOST request header as the authoritative source for building callback URLs in its OIDC, SAML, and logout authentication flows without any validation. An...

CVE-2026-54588

Poweradmin (for PowerDNS) is affected by a Host Header Injection vulnerability in auth flows. Versions prior to 4.2.4 and 4.3.3 use the HTTP_HOST header as the authoritative source for building OIDC redirect_uri, SAML ACS/SLO URLs, and logout redirects without validation. An unauthenticated attac...

CVE-2026-49468 LiteLLM: Authentication Bypass via Host Header Injection

LiteLLM is a proxy server AI Gateway to call LLM APIs in OpenAI or native format. Prior to 1.84.0, This vulnerability is fixed in 1.84.0...

CVE-2026-49468 LiteLLM: Authentication Bypass via Host Header Injection

LiteLLM is a proxy server AI Gateway to call LLM APIs in OpenAI or native format. Prior to 1.84.0, This vulnerability is fixed in 1.84.0...

CVE-2024-51454 IBM Engineering Lifecycle Management - Engineering Workflow Management is impacted by vulnerabilities Host Header Injection observed

IBM Engineering Workflow Management 7.0.2 through 7.0.2 Interim Fix 035, 7.0.3 through 7.0.3 Interim Fix 017, and 7.1 through 7.1 Interim Fix 004 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various...

CVE-2024-51454

Affected product: IBM Engineering Workflow Management (part of IBM Engineering Lifecycle Management). The vulnerability is a free-form HTTP header injection in HOST header parsing due to input validation weaknesses. Affected versions are 7.0.2 (with Interim Fix 035), 7.0.3 (IFix 017), and 7.1 (IF...

EUVD-2024-55644

IBM Engineering Workflow Management 7.0.2 through 7.0.2 Interim Fix 035, 7.0.3 through 7.0.3 Interim Fix 017, and 7.1 through 7.1 Interim Fix 004 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various...

Security Bulletin: IBM Engineering Lifecycle Management - Engineering Workflow Management is impacted by vulnerabilities Host Header Injection observed

Summary Vulnerabilities have been identified in Host Header Injection , which is used in IBM Engineering Lifecycle Management -Engineering Workflow Management Vulnerability Details CVEID:CVE-2024-51454 DESCRIPTION: IBM Engineering Workflow Management is vulnerable to HTTP header injection, caused...

CVE-2025-32748

Dell PowerFlex Manager, versions prior to 5.1.0.1, contains a Host Header Injection vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability to trigger redirections...

CVE-2025-32748

Dell PowerFlex Manager, versions prior to 5.1.0.1, contains a Host Header Injection vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability to trigger redirections...

CVE-2025-32748

Dell PowerFlex rack (RCM 3.7/3.7) contains a Host Header Injection vulnerability that allows an unauthenticated, remotely accessible attacker to trigger redirections. CVSS v3.1 base score 4.3 (MEDIUM) with Network attack vector, Low complexity, No privileges required, User interaction required. N...

CVE-2025-32748

Dell PowerFlex Manager, versions prior to 5.1.0.1, contains a Host Header Injection vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability to trigger redirections...

EUVD-2025-210272

Dell PowerFlex rack, versions RCM 3.7/3.7, contains a Host Header Injection vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability to trigger redirections...

CVE-2026-53523

Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 1.0.0 to before version 2.2.0, the getRedirectURL function in oauth2.go:22-29 constructs the OAuth2 callback URL by concatenating the request's Host header with a fixed path, with zero...

CVE-2026-53523

Summary (CVE-2026-53523) Nezha Monitoring (self-hosted monitoring/O&M tool) has an issue in its OAuth2 flow. The vulnerability affects the getRedirectURL function in oauth2.go (lines 22–29), where the OAuth2 callback URL is built by concatenating the request Host header with a fixed path without ...

CVE-2026-53523 Nezha Monitoring: OAuth2 Redirect URL — Host Header Injection

Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 1.0.0 to before version 2.2.0, the getRedirectURL function in oauth2.go:22-29 constructs the OAuth2 callback URL by concatenating the request's Host header with a fixed path, with zero...

PT-2026-49004

Name of the Vulnerable Software and Affected Versions Nezha Monitoring versions 1.0.0 through 2.1.x Description The getRedirectURL function in oauth2.go constructs the OAuth2 callback URL by concatenating the request's Host header with a fixed path without validating the Host header. This allows...