GHSA-F3RG-XQJJ-CJ9W n8n-MCP: Workflow telemetry sanitizer could retain partial values from URL-shaped node parameters

Summary In affected versions of n8n-mcp, the workflow telemetry sanitizer could retain partial fragments of URL-shaped node parameters before sending workflow data to the project's anonymous telemetry backend. Values placed in HTTP-Request-style node parameters — such as customer or tenant...

netty: Netty: Denial of Service via HTTP/2 CONTINUATION frame flood

A flaw was found in Netty. A remote user can trigger a Denial of Service DoS against a Netty HTTP/2 server by sending a flood of CONTINUATION frames. The server's lack of a limit on these frames, coupled with a bypass of size-based mitigations using zero-byte frames, allows an attacker to consume...

io.netty/netty-codec-http: Netty: Request smuggling via incorrect parsing of HTTP/1.1 chunked transfer encoding extension values

A flaw was found in Netty. A remote attacker could exploit this vulnerability by sending specially crafted HTTP/1.1 chunked transfer encoding extension values. Due to incorrect parsing of quoted strings, this flaw enables request smuggling attacks, potentially allowing an attacker to bypass...

netty: Netty: Denial of Service via HTTP/2 CONTINUATION frame flood

A flaw was found in Netty. A remote user can trigger a Denial of Service DoS against a Netty HTTP/2 server by sending a flood of CONTINUATION frames. The server's lack of a limit on these frames, coupled with a bypass of size-based mitigations using zero-byte frames, allows an attacker to consume...

Security Bulletin: DevOps Test Performance contains a vulnerability related to use of netty-handler-proxy

Summary Due to use of netty-handler-proxy, DevOps Test Performance and Rational Performance Tester contain a potential header injection vulnerability. Vulnerability Details CVEID:CVE-2026-42578 DESCRIPTION: Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Fina...

CLSA-2026-1779096552 Fix CVE(s): CVE-2025-13836, CVE-2026-4519

SECURITY UPDATE: memory denial of service via attacker-controlled Content-Length in http.client - debian/patches/CVE-2025-13836.patch: rewrite Lib/http/client.py saferead to read large responses in geometrically-growing chunks bounded by MINREADBUFSIZE 1 MiB, preventing OOM when a malicious serve...

BIT-TOMCAT-2020-1935

In Apache Tomcat 9.0.0 to 9.0.30, 8.5.0 to 8.5.50 and 7.0.0 to 7.0.99 the HTTP header parsing code used an approach to end-of-line parsing that allowed some invalid HTTP headers to be parsed as valid. This led to a possibility of HTTP Request Smuggling if Tomcat was located behind a reverse proxy...

SUSE-SU-2026:21732-1 Security update for google-guest-agent

This update for google-guest-agent fixes the following issue - CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper validation of the HTTP/2: path pseudo- header bsc1260264...

Security update for python310

This update for python310 fixes the following issues Security issues: CVE-2026-1502: HTTP client proxy tunnel headers not validated for CR/LF bsc1261969. CVE-2026-3446: base64 decoding stops at first padded quad by default bsc1261970. CVE-2026-4786: incomplete mitigation of , %action expansion fo...

Security Bulletin: Erlang OTP inets httpd Vulnerable to HTTP Request Smuggling via Duplicate Content-Length Headers

Summary Inconsistent Interpretation of HTTP Requests 'HTTP Request Smuggling' vulnerability in Erlang OTP inets httpd module allows HTTP Request Smuggling. This vulnerability is associated with program files lib/inets/src/httpserver/httpdrequest.erl and program routines httpdrequest:parseheaders/...

PT-2026-41727

Name of the Vulnerable Software and Affected Versions async-http-client versions prior to 2.15.0 async-http-client versions prior to 3.0.10 Description An information disclosure issue exists where Cookie headers are leaked to cross-origin redirect targets. When following a redirect across a...

PT-2026-41794

Name of the Vulnerable Software and Affected Versions n8n-mcp versions prior to 2.51.2 Description In HTTP-mode deployments run as a shared multi-tenant service where ENABLE MULTI TENANT is set to true, the system selects the target n8n instance per-request using the x-n8n-url and x-n8n-key...

RHEL 8 : Red Hat JBoss Enterprise Application Platform 8.1.6 (RHSA-2026:18054)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:18054 advisory. Red Hat JBoss Enterprise Application Platform 8 is a platform for Java applications based on the WildFly application runtime. This release ...

OPENSUSE-SU-2026:20809-1 Security update for trivy

This update for trivy fixes the following issues - CVE-2025-64702: github.com/quic-go/quic-go/http3: quic-go HTTP/3 QPACK Header Expansion DoS bsc1255366. - CVE-2025-69725: github.com/go-chi/chi/v5: incorrect input validation in the RedirectSlashes function can lead to an open redirect bsc1258513...

SUSE-SU-2026:21803-1 Security update for google-guest-agent

This update for google-guest-agent fixes the following issue - CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper validation of the HTTP/2: path pseudo- header bsc1260264...

OPENSUSE-SU-2026:20761-1 Security update for google-guest-agent

This update for google-guest-agent fixes the following issue - CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper validation of the HTTP/2: path pseudo- header bsc1260264...

Fedora 44 : coturn (2026-3b3139882c)

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-3b3139882c advisory. Coturn 4.11.0 - Fix prometheus response memory leak introduced in 4.10.0 - Use constant-time compare for STUN MESSAGE-INTEGRITY HMAC - Fix format-string...

Fedora 43 : coturn (2026-f0fbd93125)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-f0fbd93125 advisory. Coturn 4.11.0 - Fix prometheus response memory leak introduced in 4.10.0 - Use constant-time compare for STUN MESSAGE-INTEGRITY HMAC - Fix format-string...

Fedora 42 : coturn (2026-dfa8ea5809)

The remote Fedora 42 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-dfa8ea5809 advisory. Coturn 4.11.0 - Fix prometheus response memory leak introduced in 4.10.0 - Use constant-time compare for STUN MESSAGE-INTEGRITY HMAC - Fix format-string...

MGASA-2026-0146 Updated haproxy packages fix security vulnerability

The HTTP/3 parser does not check that the received body length matches a previously announced content-length when the stream is closed via a frame with an empty payload. This can cause desynchronization issues with the backend server and could be used for request smuggling. CVE-2026-33555...