CVE-2026-28369

A flaw was found in Undertow. When Undertow receives an HTTP request where the first header line starts with one or more spaces, it incorrectly processes the request by stripping these leading spaces. This behavior, which violates HTTP standards, can be exploited by a remote attacker to perform...

CVE-2026-28367

Undertow contains a flaw that allows HTTP request smuggling by sending a header terminator of \r\r\r. A remote attacker could exploit this against certain proxies (e.g., older Apache Traffic Server, Google Cloud Classic Application Load Balancer) to cause unauthorized access or manipulation of we...

CVE-2026-28367

A flaw was found in Undertow. A remote attacker can exploit this vulnerability by sending \r\r\r as a header block terminator. This can be used for request smuggling with certain proxy servers, such as older versions of Apache Traffic Server and Google Cloud Classic Application Load Balancer,...

CVE-2026-28369

Undertow contains a vulnerability where the first HTTP header line with leading spaces is stripped, violating HTTP standards and enabling request smuggling. Affected component: Undertow HTTP header parsing. Root cause: improper handling that trims leading spaces on the initial header line. Impact...

CVE-2026-28367 Undertow: undertow: request smuggling via `\r\r\r` as a header block terminator

A flaw was found in Undertow. A remote attacker can exploit this vulnerability by sending \r\r\r as a header block terminator. This can be used for request smuggling with certain proxy servers, such as older versions of Apache Traffic Server and Google Cloud Classic Application Load Balancer,...

CVE-2026-28367

A flaw was found in Undertow. A remote attacker can exploit this vulnerability by sending \r\r\r as a header block terminator. This can be used for request smuggling with certain proxy servers, such as older versions of Apache Traffic Server and Google Cloud Classic Application Load Balancer,...

CVE-2026-28369

A flaw was found in Undertow. When Undertow receives an HTTP request where the first header line starts with one or more spaces, it incorrectly processes the request by stripping these leading spaces. This behavior, which violates HTTP standards, can be exploited by a remote attacker to perform...

CVE-2026-28368 Undertow: undertow: request smuggling via inconsistent header parsing

A flaw was found in Undertow. This vulnerability allows a remote attacker to construct specially crafted requests where header names are parsed differently by Undertow compared to upstream proxies. This discrepancy in header interpretation can be exploited to launch request smuggling attacks,...

CVE-2026-28368 Undertow: undertow: request smuggling via inconsistent header parsing

A flaw was found in Undertow. This vulnerability allows a remote attacker to construct specially crafted requests where header names are parsed differently by Undertow compared to upstream proxies. This discrepancy in header interpretation can be exploited to launch request smuggling attacks,...

CVE-2026-28368

A flaw was found in Undertow. This vulnerability allows a remote attacker to construct specially crafted requests where header names are parsed differently by Undertow compared to upstream proxies. This discrepancy in header interpretation can be exploited to launch request smuggling attacks,...

CVE-2026-28368

A vulnerability (CVE-2026-28368) affects Undertow and involves a discrepancy in header parsing between Undertow and upstream proxies, enabling HTTP request smuggling. Reported across multiple sources (NVD, Debian/Ubuntu OSV, Circl, GitHub advisories, and Nessus plugin) with confirmed references t...

CVE-2026-28368

A flaw was found in Undertow. This vulnerability allows a remote attacker to construct specially crafted requests where header names are parsed differently by Undertow compared to upstream proxies. This discrepancy in header interpretation can be exploited to launch request smuggling attacks,...

Netty 环境问题漏洞

Netty is a non-blocking I/O client-server framework from the Netty community. It is primarily used for developing Java network applications, such as protocol servers and clients. Versions of Netty prior to 4.1.132.Final and 4.2.10.Final contained environmental issues. These issues were caused by...

PT-2026-28378

Name of the Vulnerable Software and Affected Versions Undertow affected versions not specified Description A flaw exists in Undertow where the software incorrectly processes HTTP requests containing leading spaces in the first header line, violating HTTP standards. This can be exploited to perfor...

PT-2026-28377

Name of the Vulnerable Software and Affected Versions Undertow affected versions not specified Description A security issue exists in Undertow that allows a remote attacker to create malicious requests. The issue stems from discrepancies in how Undertow parses header names compared to upstream...

CVE-2026-33870: Inconsistent Interpretation of HTTP Requests

Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.132.Final and 4.2.10.Final, Netty incorrectly parses quoted strings in HTTP/1.1 chunked transfer encoding extension values, enabling request smuggling attacks. Versions 4.1.132.Final and 4.2.10.Final fi...

CVE-2026-28368: Inconsistent Interpretation of HTTP Requests

A flaw was found in Undertow. This vulnerability allows a remote attacker to construct specially crafted requests where header names are parsed differently by Undertow compared to upstream proxies. This discrepancy in header interpretation can be exploited to launch request smuggling attacks,...

CVE-2026-28367: Inconsistent Interpretation of HTTP Requests

A flaw was found in Undertow. A remote attacker can exploit this vulnerability by sending \r\r\r as a header block terminator. This can be used for request smuggling with certain proxy servers, such as older versions of Apache Traffic Server and Google Cloud Classic Application Load Balancer,...

CVE-2026-28369: Inconsistent Interpretation of HTTP Requests

A flaw was found in Undertow. When Undertow receives an HTTP request where the first header line starts with one or more spaces, it incorrectly processes the request by stripping these leading spaces. This behavior, which violates HTTP standards, can be exploited by a remote attacker to perform...

PT-2026-28376

Name of the Vulnerable Software and Affected Versions Undertow affected versions not specified Description A flaw exists in Undertow that allows a remote attacker to exploit the software by sending rrr as a header block terminator. This can be used for request smuggling with certain proxy servers...