CVE-2026-15634

IBM WebSphere Application Server 9.0, and 8.5 and IBM WebSphere Application Server - Liberty are vulnerable to HTTP request smuggling, caused by improper parsing of the HTTP transfer-encoding request header. By sending a specially crafted HTTP transfer-encoding request header, an attacker could...

CVE-2026-15396

CVE-2026-15396 affects IBM WebSphere Application Server (traditional 8.5 and 9.0) and IBM WebSphere Application Server Liberty (versions 17.0.0.3–26.0.0.8). The root cause is improper parsing of the HTTP transfer-encoding request header (CWE-444), enabling HTTP request smuggling . An unauthentica...

EUVD-2026-78068

IBM WebSphere Application Server 9.0, and 8.5 and IBM WebSphere Application Server - Liberty are vulnerable to HTTP request smuggling, caused by improper parsing of the HTTP transfer-encoding request header. By sending a specially crafted HTTP transfer-encoding request header, an attacker could...

CVE-2026-15396 IBM WebSphere Application Server prior to 9.0.5.29 and 8.5.5.31 are affected by multiple vulnerabilities

IBM WebSphere Application Server 9.0, and 8.5 and IBM WebSphere Application Server - Liberty are vulnerable to HTTP request smuggling, caused by improper parsing of the HTTP transfer-encoding request header. By sending a specially crafted HTTP transfer-encoding request header, an attacker could...

CVE-2026-15396 IBM WebSphere Application Server prior to 9.0.5.29 and 8.5.5.31 are affected by multiple vulnerabilities

IBM WebSphere Application Server 9.0, and 8.5 and IBM WebSphere Application Server - Liberty are vulnerable to HTTP request smuggling, caused by improper parsing of the HTTP transfer-encoding request header. By sending a specially crafted HTTP transfer-encoding request header, an attacker could...

CVE-2026-15634

CVE-2026-15634 is an HTTP request smuggling vulnerability (CWE-444) in IBM WebSphere Application Server 9.0, 8.5, and Liberty (17.0.0.3–26.0.0.8), caused by improper parsing of the HTTP transfer-encoding request header . A remote, unauthenticated attacker can send a specially crafted header to po...

CVE-2026-15634 IBM WebSphere Application Server prior to 9.0.5.29 and 8.5.5.31 are affected by multiple vulnerabilities

IBM WebSphere Application Server 9.0, and 8.5 and IBM WebSphere Application Server - Liberty are vulnerable to HTTP request smuggling, caused by improper parsing of the HTTP transfer-encoding request header. By sending a specially crafted HTTP transfer-encoding request header, an attacker could...

CVE-2026-15634 IBM WebSphere Application Server prior to 9.0.5.29 and 8.5.5.31 are affected by multiple vulnerabilities

IBM WebSphere Application Server 9.0, and 8.5 and IBM WebSphere Application Server - Liberty are vulnerable to HTTP request smuggling, caused by improper parsing of the HTTP transfer-encoding request header. By sending a specially crafted HTTP transfer-encoding request header, an attacker could...

HTTP Request Smuggling

Overview Affected versions of this package are vulnerable to HTTP Request Smuggling in its HTTP/1.1 wire parser http/src/main/java/org/http4s/blaze/http/parser/, which carries five independent conformance laxities, notably in Content-Length handling relative to RFC 9110 section 8.6 and RFC 9112. ...

HTTP Request Smuggling

Overview Affected versions of this package are vulnerable to HTTP Request Smuggling in its HTTP/1.1 wire parser http/src/main/java/org/http4s/blaze/http/parser/, which carries five independent conformance laxities, notably in Content-Length handling relative to RFC 9110 section 8.6 and RFC 9112. ...

HTTP Request Smuggling

Overview Affected versions of this package are vulnerable to HTTP Request Smuggling in its HTTP/1.1 wire parser http/src/main/java/org/http4s/blaze/http/parser/, which carries five independent conformance laxities, notably in Content-Length handling relative to RFC 9110 section 8.6 and RFC 9112. ...

HTTP Request Smuggling

Overview Affected versions of this package are vulnerable to HTTP Request Smuggling in its HTTP/1.1 wire parser http/src/main/java/org/http4s/blaze/http/parser/, which carries five independent conformance laxities, notably in Content-Length handling relative to RFC 9110 section 8.6 and RFC 9112. ...

HTTP Request Smuggling

Overview Affected versions of this package are vulnerable to HTTP Request Smuggling in its HTTP/1.1 wire parser http/src/main/java/org/http4s/blaze/http/parser/, which carries five independent conformance laxities, notably in Content-Length handling relative to RFC 9110 section 8.6 and RFC 9112. ...

HTTP Request Smuggling

Overview Affected versions of this package are vulnerable to HTTP Request Smuggling in its HTTP/1.1 wire parser http/src/main/java/org/http4s/blaze/http/parser/, which carries five independent conformance laxities, notably in Content-Length handling relative to RFC 9110 section 8.6 and RFC 9112. ...

Security Bulletin: Multiple security vulnerabilities have been identified in IBM WebSphere Application Server shipped with IBM Buinsess Automation Workflow (including Java)

Summary WebSphere Application Server is shipped as a component of IBM Business Automation Workflow. Information about security vulnerabilities affecting IBM WebSphere Application Server Traditional have been published in a security bulletin. Vulnerability Details Refer to the security bulletins...

Astra Linux – Vulnerability in Twisted

In Twisted Web version 19.10.0, there was an HTTP request splitting vulnerability. When two content-length headers were provided, the system ignored the first header. When the second content-length value was set to zero, the request body was interpreted as a pipelined request...

Astra Linux – Vulnerability in Puma

Puma is an HTTP 1.1 server for Ruby/Rack applications. Before versions 5.5.1 and 4.3.9, using “puma” with a proxy that forwards HTTP header values containing the LF character could lead to HTTP request smuggling. A client could secretly send a request through a proxy, causing the proxy to send a...

Security Bulletin: Multiple vulnerabilities have been identified in WebSphere Application Server shipped with WebSphere Service Registry and Repository (CVE-2026-11710 etc.)

Summary WebSphere Application Server is shipped as a component of WebSphere Service Registry and Repository. Information about multiple vulnerabilities affecting WebSphere Application Server have been published in security bulletins. Vulnerability Details Refer to the security bulletins listed in...

Astra Linux – Vulnerability in Gunicorn

Gunicorn fails to properly validate Transfer-Encoding headers, resulting in HTTP Request Smuggling HRS vulnerabilities. By creating requests with conflicting Transfer-Encoding headers, attackers can bypass security restrictions and access restricted endpoints. This issue arises due to Gunicorn’s...

Astra Linux – Vulnerability in http-parser

Node.js versions before 10.23.1, 12.20.1, 14.15.4, and 15.5.1 allow for two copies of a header field in an HTTP request for example, two Transfer-Encoding header fields. In this case, Node.js identifies the first header field and ignores the second. This can lead to HTTP Request Smuggling...