CVE-2026-45013 Apostrophe has a Weak Password Recovery Mechanism for Forgotten Password and Improper Input Validation

ApostropheCMS is an open-source Node.js content management system. Versions up to and including 4.29.0 have a password reset flow that constructs the reset URL using req.hostname, which is derived directly from the attacker-controlled HTTP Host header when apos.baseUrl is not explicitly configure...

CVE-2026-45013 Apostrophe has a Weak Password Recovery Mechanism for Forgotten Password and Improper Input Validation

ApostropheCMS is an open-source Node.js content management system. Versions up to and including 4.29.0 have a password reset flow that constructs the reset URL using req.hostname, which is derived directly from the attacker-controlled HTTP Host header when apos.baseUrl is not explicitly configure...

CVE-2026-48998

A flaw was found in guzzlehttp/psr7, a PHP library for HTTP messages. A remote attacker could exploit improper validation of the Host header. By providing a specially crafted Host header, an attacker could cause the system to misinterpret the intended destination. This could lead to requests or...

PT-2026-48991

Name of the Vulnerable Software and Affected Versions ApostropheCMS versions prior to 4.31.0 Description When the prettyUrls: true setting is enabled on the @apostrophecms/file module, the public pretty-URL handler constructs an upstream URL using the raw Host HTTP request header. This URL is the...

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...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via improper validation of the Host header when parsing raw HTTP request messages or deriving a server request URI from server variables. An attacker can manipulate the Host header to include URI authori...

HTTP Response Splitting

Overview Affected versions of this package are vulnerable to HTTP Response Splitting via the host component of a URI when constructing a PSR-7 Uri or Request. An attacker can inject arbitrary HTTP headers by supplying a crafted host value containing ASCII control characters, such as CRLF, which a...

EUVD-2026-36252

IBM DevOps Plan 3.0.0 through 3.0.6 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking...

CVE-2026-4096 A vulnerability has been identified in IBM DevOps Plan that allows a Host Header Injection attack due to improper handling of the Host header in HTTP requests.

IBM DevOps Plan 3.0.0 through 3.0.6 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking...

CVE-2026-4096

Summary of CVE-2026-4096 (IBM DevOps Plan) IBM DevOps Plan versions 3.0.0 to 3.0.6 are affected by an HTTP header injection vulnerability caused by improper validation of the Host header. This can enable attacker-driven attacks such as cross-site scripting, cache poisoning, or session hijacking a...

CVE-2026-4096 A vulnerability has been identified in IBM DevOps Plan that allows a Host Header Injection attack due to improper handling of the Host header in HTTP requests.

IBM DevOps Plan 3.0.0 through 3.0.6 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking...

CVE-2026-48998

guzzlehttp/psr7 is a PSR-7 HTTP message library implementation in PHP. Versions prior to 2.10.2 contain improper Host header validation when parsing raw HTTP request messages and when deriving a server request URI from server variables. An attacker can provide a malformed Host header containing U...

CVE-2026-49214

guzzlehttp/psr7 is a PSR-7 HTTP message library implementation in PHP. Versions prior to 2.10.2 did not reject ASCII control characters, whitespace, or DEL in first-party URI host components. A vulnerable flow is: First, an application accepts a user-controlled URL. Second, the URL is used to...

CVE-2026-49214

guzzlehttp/psr7 is a PSR-7 HTTP message library implementation in PHP. Versions prior to 2.10.2 did not reject ASCII control characters, whitespace, or DEL in first-party URI host components. A vulnerable flow is: First, an application accepts a user-controlled URL. Second, the URL is used to...

CVE-2026-48998

guzzlehttp/psr7 is a PSR-7 HTTP message library implementation in PHP. Versions prior to 2.10.2 contain improper Host header validation when parsing raw HTTP request messages and when deriving a server request URI from server variables. An attacker can provide a malformed Host header containing U...

GHSA-34XG-WGJX-8XPH guzzlehttp/psr7 has Host Confusion via Authority Reinterpretation

Impact guzzlehttp/psr7 improperly interpreted malformed Host header values when constructing request URIs from inbound request data. This issue concerns inbound request parsing and server request construction. It does not require serializing a PSR-7 request, and it is not part of the normal...

guzzlehttp/psr7 has Host Confusion via Authority Reinterpretation

Impact guzzlehttp/psr7 improperly interpreted malformed Host header values when constructing request URIs from inbound request data. This issue concerns inbound request parsing and server request construction. It does not require serializing a PSR-7 request, and it is not part of the normal...

GHSA-HQ7V-MX3G-29HW guzzlehttp/psr7 has CRLF Injection via URI Host Component

Impact guzzlehttp/psr7 did not reject ASCII control characters, whitespace, or DEL in first-party URI host components. The issue requires a PSR-7 request to be serialized into a raw HTTP/1.x message, for example with GuzzleHttp\Psr7\Message::toString or an equivalent custom serializer. Creating a...

CVE-2026-49214

CVE-2026-49214 affects guzzlehttp/psr7 up to version 2.10.1. Versions prior to 2.10.2 do not reject ASCII control characters/whitespace/DEL in URI host components. If a user-controlled URL is used to build a PSR-7 Uri/Request and the host contains CRLF or similar, the host may be copied into the ...

CVE-2026-49214 guzzlehttp/psr7 has CRLF Injection via URI Host Component

guzzlehttp/psr7 is a PSR-7 HTTP message library implementation in PHP. Versions prior to 2.10.2 did not reject ASCII control characters, whitespace, or DEL in first-party URI host components. A vulnerable flow is: First, an application accepts a user-controlled URL. Second, the URL is used to...