EUVD-2026-102566

Nezha from 2.1.0 before 2.3.15 contains a host header injection vulnerability in mintTransferTool that builds fs.downloadurl and fs.uploadurl transfer URLs from the unvalidated Host header. Attackers who control the Host header seen on a victim's MCP request can redirect file uploads or capture...

CVE-2026-111385 Nezha 2.1.0 before 2.3.15 Host Header Injection via MCP Transfer Tools

Nezha from 2.1.0 before 2.3.15 contains a host header injection vulnerability in mintTransferTool that builds fs.downloadurl and fs.uploadurl transfer URLs from the unvalidated Host header. Attackers who control the Host header seen on a victim's MCP request can redirect file uploads or capture...

CVE-2026-111385 Nezha 2.1.0 before 2.3.15 Host Header Injection via MCP Transfer Tools

Nezha from 2.1.0 before 2.3.15 contains a host header injection vulnerability in mintTransferTool that builds fs.downloadurl and fs.uploadurl transfer URLs from the unvalidated Host header. Attackers who control the Host header seen on a victim's MCP request can redirect file uploads or capture...

CVE-2026-111385

Nezha versions 2.1.0 before 2.3.15 are vulnerable to a Host Header Injection in the mintTransferTool component. The vulnerability occurs because the application builds fs.download_url and fs.upload_url transfer URLs using an unvalidated Host header . An attacker controlling the Host header in a v...

EEF-CVE-2026-105660 Unvalidated HTTP/1 request-target authority lets a client choose conn.host and conn.port in Bandit

Summary Improper Validation of Syntactic Correctness of Input vulnerability in mtrudel bandit allows an unauthenticated remote attacker to set conn.host and conn.port to values outside the RFC 3986 host grammar via the authority of an HTTP/1 absolute-form or authority-form request target. Bandit...

tenda-hg10-rce

CVE-2026-1689 Summary A command injection vulnerability exists in the Tenda HG10 router. It occurs in the formLogin endpoint due to improper handling of the Host parameter. No authentication credentials are verified as this executes before the check. User input from the Host header is directly...

Astra Linux – Vulnerability in Tomcat9

Improper input validation vulnerability. This issue affects Apache Tomcat: versions 11.0.0-M1 through 11.0.14, 10.1.0-M1 through 10.1.49, and 9.0.0-M1 through 9.0.112. The following versions were at the end of their support lifecycles at the time the CVE was created, but are still affected: 8.5.0...

Astra Linux – Vulnerability in HAPProxy

A issue was discovered in HAProxy 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. This issue can lead to a situation where the HTTP Host header is controlled by an attacker, due to a mismatch between the Host field and its corresponding authority value being mishandled...

Astra Linux – Vulnerability in python-webob

WebOb provides objects for HTTP requests and responses. When WebOb normalizes the HTTP Location header to include the request hostname, it does so by parsing the URL that the user will be redirected to using Python’s urlparse function, and joining that parsed URL to the base URL. However, the...

io.netty/netty-codec-http2: HTTP/1 authority-form CONNECT is translated to malformed HTTP/2 CONNECT with Host-controlled :authority

A flaw was found in Netty's HTTP/2 codec. When converting HTTP/1 CONNECT requests to HTTP/2, the component incorrectly uses the Host header instead of the CONNECT authority-form request-target for the tunnel authority. A remote attacker can exploit this by supplying a different Host header, leadi...

io.netty/netty-codec-http2: HTTP/1 absolute-form Host mismatch is translated to HTTP/2 :authority, overriding the request-target authority

A flaw was found in Netty. A remote unauthenticated attacker can exploit a vulnerability in Netty's HTTP/1 to HTTP/2 conversion process. When an HTTP/1 request includes both an absolute-form request-target and a conflicting Host header, Netty incorrectly prioritizes the Host header for the HTTP/2...

CVE-2026-34835-Black-box-Analysis

This repository provides a black-box security analysis of CVE-2026-34835 from the perspective of an external penetration tester. The objective is not to reverse engineer the vulnerability, but to document how a security assessor can identify, validate, and evaluate its impact during an authorized...

PYSEC-2026-4247 PraisonAI: Call API localhost-only authentication bypass via spoofed Host header

Call API localhost-only authentication bypass via spoofed Host header Summary PraisonAI's patched PRAISONAICALLAUTH=disabled safeguard for the n8n/call agent invocation API can be bypassed with a spoofed Host: 127.0.0.1 header, allowing an unauthenticated network caller to list and invoke...

Pydantic AI Web chat UI (`Agent.to_web()`, `clai web`): the local chat endpoint does not validate the `Host` header

SummaryThe Pydantic AI development web chat UI Agent.toweb, clai web does not validate the Host header of incoming requests. A website a developer visits can use DNS rebinding to make requests to a chat UI running on that developer's machine appear same-origin to the browser, causing the served...

PYSEC-2026-4288 Pydantic AI Web chat UI (`Agent.to_web()`, `clai web`): the local chat endpoint does not validate the `Host` header

Summary The Pydantic AI development web chat UI Agent.toweb, clai web does not validate the Host header of incoming requests. A website a developer visits can use DNS rebinding to make requests to a chat UI running on that developer's machine appear same-origin to the browser, causing the served...

Pydantic AI Web chat UI (`Agent.to_web()`, `clai web`): the local chat endpoint does not validate the `Host` header

SummaryThe Pydantic AI development web chat UI Agent.toweb, clai web does not validate the Host header of incoming requests. A website a developer visits can use DNS rebinding to make requests to a chat UI running on that developer's machine appear same-origin to the browser, causing the served...

PYSEC-2026-4279 Pydantic AI Web chat UI (`Agent.to_web()`, `clai web`): the local chat endpoint does not validate the `Host` header

Summary The Pydantic AI development web chat UI Agent.toweb, clai web does not validate the Host header of incoming requests. A website a developer visits can use DNS rebinding to make requests to a chat UI running on that developer's machine appear same-origin to the browser, causing the served...

CVE-2026-3712

The PhastPress plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 3.10 This is due to the scripts service endpoint constructing its URL whitelist dynamically from the attacker-controlled HTTP 'Host' header. This makes it possible for...

EUVD-2026-101823

The PhastPress plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 3.10 This is due to the scripts service endpoint constructing its URL whitelist dynamically from the attacker-controlled HTTP 'Host' header. This makes it possible for...

CVE-2026-3712

The PhastPress plugin for WordPress is vulnerable to Server-Side Request Forgery (SSRF) in all versions up to and including 3.10 . The root cause is that the scripts service endpoint dynamically constructs its URL whitelist from the attacker-controlled HTTP 'Host' header . This allows unauthentic...