GHSA-7PPR-R889-MCF2 blaze: Unbounded WebSocket message aggregation in http4s-blaze-server

Summary http4s-blaze-server aggregates the fragments of an incoming WebSocket message with no limit on total size or fragment count. A client that completes a WebSocket handshake can send an unterminated fragmented message and drive unbounded heap growth in the server JVM, resulting in denial of...

GHSA-46Q4-43PH-C6FR blaze: Chunked-body trailer fields promoted into Request.headers in blaze-server (front-end header-sanitization bypass)

Summary blaze-server can merge HTTP/1.1 chunked-body trailer fields into Request.headers. Because trailer fields are attacker-controlled, an unauthenticated remote client can inject arbitrary header names/values e.g. X-Forwarded-For, internal-auth headers that a fronting proxy sanitized from the...

HTTP Request Smuggling

Overview Affected versions of this package are vulnerable to HTTP Request Smuggling in the process that merges HTTP/1.1 chunked-body trailer fields into Request.headers. An attacker can inject arbitrary HTTP headers by sending specially crafted trailer fields, potentially bypassing header-based...

HTTP Request Smuggling

Overview Affected versions of this package are vulnerable to HTTP Request Smuggling in the process that merges HTTP/1.1 chunked-body trailer fields into Request.headers. An attacker can inject arbitrary HTTP headers by sending specially crafted trailer fields, potentially bypassing header-based...

HTTP Request Smuggling

Overview Affected versions of this package are vulnerable to HTTP Request Smuggling via the Java HTTP parser process. An attacker can bypass access controls, poison backend response queues, or manipulate cache contents by sending specially crafted HTTP/1.1 requests that exploit discrepancies in...

GHSA-MHVJ-JHPQ-885V blaze: Multiple HTTP/1.1 request-smuggling primitives in blaze's Java wire parser

Summary Five independent HTTP/1.1 conformance laxities in blaze's hand-written Java parser http/src/main/java/org/http4s/blaze/http/parser/ cause request-boundary disagreement with a stricter intermediary. All are reachable from a default BlazeServerBuilder with no non-default configuration. Impa...

blaze: Multiple HTTP/1.1 request-smuggling primitives in blaze's Java wire parser

Summary Five independent HTTP/1.1 conformance laxities in blaze's hand-written Java parser http/src/main/java/org/http4s/blaze/http/parser/ cause request-boundary disagreement with a stricter intermediary. All are reachable from a default BlazeServerBuilder with no non-default configuration. Impa...

HTTP Request Smuggling

Overview Affected versions of this package are vulnerable to HTTP Request Smuggling via the Java HTTP parser process. An attacker can bypass access controls, poison backend response queues, or manipulate cache contents by sending specially crafted HTTP/1.1 requests that exploit discrepancies in...

HTTP Request Smuggling

Overview Affected versions of this package are vulnerable to HTTP Request Smuggling via the Java HTTP parser process. An attacker can bypass access controls, poison backend response queues, or manipulate cache contents by sending specially crafted HTTP/1.1 requests that exploit discrepancies in...

HTTP Request Smuggling

Overview Affected versions of this package are vulnerable to HTTP Request Smuggling via the Java HTTP parser process. An attacker can bypass access controls, poison backend response queues, or manipulate cache contents by sending specially crafted HTTP/1.1 requests that exploit discrepancies in...

PT-2026-76593

blaze is a Scala library for building asynchronous pipelines, with a focus on network IO. Prior to 0.23.18 and from 1.0.0-M1 until 1.0.0-M42, five HTTP/1.1 conformance laxities in the hand-written Java parser under http/src/main/java/org/http4s/blaze/http/parser/ can cause blaze to derive a...

PT-2026-67611

Summary Five independent HTTP/1.1 conformance laxities in blaze's hand-written Java parser http/src/main/java/org/http4s/blaze/http/parser/ cause request-boundary disagreement with a stricter intermediary. All are reachable from a default BlazeServerBuilder with no non-default configuration. Impa...

PT-2026-67583

Summary blaze-server can merge HTTP/1.1 chunked-body trailer fields into Request.headers. Because trailer fields are attacker-controlled, an unauthenticated remote client can inject arbitrary header names/values e.g. X-Forwarded-For, internal-auth headers that a fronting proxy sanitized from the...

PT-2026-67590

Summary http4s-blaze-server aggregates the fragments of an incoming WebSocket message with no limit on total size or fragment count. A client that completes a WebSocket handshake can send an unterminated fragmented message and drive unbounded heap growth in the server JVM, resulting in denial of...

CVE-2025-13334

The Blaze Demo Importer plugin for WordPress is vulnerable to unauthorized database resets and file deletion due to a missing capability check on the "blazedemoimporterinstalldemo" function in all versions up to, and including, 1.0.13. This makes it possible for authenticated attackers, with...

WordPress Blaze Demo Importer plugin 1.0.0-1.0.13 - Missing Authorization to Authenticated (Subscriber+) Database Reset and File Deletion vulnerability

Missing Authorization to Authenticated Subscriber+ Database Reset and File Deletion vulnerability discovered by kr0d in WordPress Plugin Blaze Demo Importer versions 1.0.0-1.0.13...

CVE-2025-13334

The Blaze Demo Importer plugin for WordPress is vulnerable to unauthorized database resets and file deletion due to a missing capability check on the "blazedemoimporterinstalldemo" function in all versions up to, and including, 1.0.13. This makes it possible for authenticated attackers, with...

CVE-2025-13334 Blaze Demo Importer 1.0.0 - 1.0.13 - Missing Authorization to Authenticated (Subscriber+) Database Reset and File Deletion

The Blaze Demo Importer plugin for WordPress is vulnerable to unauthorized database resets and file deletion due to a missing capability check on the "blazedemoimporterinstalldemo" function in all versions up to, and including, 1.0.13. This makes it possible for authenticated attackers, with...

CVE-2025-13334

CVE-2025-13334 (Blaze Demo Importer, WordPress) is substantiated by multiple connected sources: Wordfence flags a vulnerability in Blaze Demo Importer versions 1.0.0–1.0.13 caused by a missing capability check in blaze_demo_importer_install_demo, enabling authenticated attackers with subscriber+ ...

EUVD-2025-202963

The Blaze Demo Importer plugin for WordPress is vulnerable to unauthorized database resets and file deletion due to a missing capability check on the "blazedemoimporterinstalldemo" function in all versions up to, and including, 1.0.13. This makes it possible for authenticated attackers, with...