SUSE: Security Advisory (SUSE-SU-2026:20936-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

SUSE: Security Advisory (SUSE-SU-2026:20921-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

SUSE CVE-2026-34525

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, multiple Host headers were allowed in aiohttp. This issue has been patched in version 3.13.4...

GHSA-7GGG-PVRF-458V OpenClaw: PIP_INDEX_URL and UV_INDEX_URL bypass host exec env sanitization and redirect Python package-index traffic

Summary PIPINDEXURL and UVINDEXURL bypass host exec env sanitization and redirect Python package-index traffic Current Maintainer Triage - Status: narrow - Normalized severity: high - Assessment: v2026.3.28 still allows Python package-index env redirection through host exec, but scope should stay...

Rack::Request accepts invalid Host characters, enabling host allowlist bypass

Summary Rack::Request parses the Host header using an AUTHORITY regular expression that accepts characters not permitted in RFC-compliant hostnames, including /, ?, , and @. Because req.host returns the full parsed value, applications that validate hosts using naive prefix or suffix checks can be...

EUVD-2026-18478

Rack::Request accepts invalid Host characters, enabling host allowlist bypass...

GHSA-G2PF-XV49-M2H5 Rack::Request accepts invalid Host characters, enabling host allowlist bypass

Summary Rack::Request parses the Host header using an AUTHORITY regular expression that accepts characters not permitted in RFC-compliant hostnames, including /, ?, , and @. Because req.host returns the full parsed value, applications that validate hosts using naive prefix or suffix checks can be...

Rack: Forwarded Header semicolon injection enables Host and Scheme spoofing

Summary Rack::Utils.forwardedvalues parses the RFC 7239 Forwarded header by splitting on semicolons before handling quoted-string values. Because quoted values may legally contain semicolons, a header such as: http Forwarded: for="127.0.0.1;host=evil.com;proto=https" can be interpreted by Rack as...

GHSA-QFGR-CRR9-7R49 Rack: Forwarded Header semicolon injection enables Host and Scheme spoofing

Summary Rack::Utils.forwardedvalues parses the RFC 7239 Forwarded header by splitting on semicolons before handling quoted-string values. Because quoted values may legally contain semicolons, a header such as: http Forwarded: for="127.0.0.1;host=evil.com;proto=https" can be interpreted by Rack as...

HTTP Fetch, Hidden Bind Ipknock TCP Stager

Fetch and execute an x86 payload from an HTTP server. Listen for a connection. First, the port will need to be knocked from the IP defined in KHOST. This IP will work as an authentication method you can spoof it with tools like hping. After that you could get your shellcode from any IP. The socke...

HTTP Fetch, Hidden Bind Ipknock TCP Stager

Fetch and execute an x86 payload from an HTTP server. Listen for a connection. First, the port will need to be knocked from the IP defined in KHOST. This IP will work as an authentication method you can spoof it with tools like hping. After that you could get your shellcode from any IP. The socke...

HTTPS Fetch, Hidden Bind Ipknock TCP Stager

Fetch and execute an x86 payload from an HTTPS server. Listen for a connection. First, the port will need to be knocked from the IP defined in KHOST. This IP will work as an authentication method you can spoof it with tools like hping. After that you could get your shellcode from any IP. The sock...

GO-2026-4880 Traefik has Knative Ingress Rule Injection that Allows Host Restriction Bypass in github.com/traefik/traefik

Traefik has Knative Ingress Rule Injection that Allows Host Restriction Bypass in github.com/traefik/traefik...

Interpretation Conflict

Overview rack is a minimal, modular and adaptable interface for developing web applications in Ruby. By wrapping HTTP requests and responses in the simplest way possible, it unifies and distills the API for web servers, web frameworks, and software in between the so-called middleware into a singl...

Improper Validation of Syntactic Correctness of Input

Overview rack is a minimal, modular and adaptable interface for developing web applications in Ruby. By wrapping HTTP requests and responses in the simplest way possible, it unifies and distills the API for web servers, web frameworks, and software in between the so-called middleware into a singl...

CVE-2026-34835

Rack is a modular Ruby web server interface. From versions 3.0.0.beta1 to before 3.1.21, and 3.2.0 to before 3.2.6, Rack::Request parses the Host header using an AUTHORITY regular expression that accepts characters not permitted in RFC-compliant hostnames, including /, ?, , and @. Because req.hos...

DEBIAN-CVE-2026-34835

Rack is a modular Ruby web server interface. From versions 3.0.0.beta1 to before 3.1.21, and 3.2.0 to before 3.2.6, Rack::Request parses the Host header using an AUTHORITY regular expression that accepts characters not permitted in RFC-compliant hostnames, including /, ?, , and @. Because req.hos...

UBUNTU-CVE-2026-32762

Rack is a modular Ruby web server interface. From versions 3.0.0.beta1 to before 3.1.21 and 3.2.0 to before 3.2.6, Rack::Utils.forwardedvalues parses the RFC 7239 Forwarded header by splitting on semicolons before handling quoted-string values. Because quoted values may legally contain semicolons...

UBUNTU-CVE-2026-34835

Rack is a modular Ruby web server interface. From versions 3.0.0.beta1 to before 3.1.21, and 3.2.0 to before 3.2.6, Rack::Request parses the Host header using an AUTHORITY regular expression that accepts characters not permitted in RFC-compliant hostnames, including /, ?, , and @. Because req.hos...

DEBIAN-CVE-2026-35387

OpenSSH before 10.3 can use unintended ECDSA algorithms. Listing of any ECDSA algorithm in PubkeyAcceptedAlgorithms or HostbasedAcceptedAlgorithms is misinterpreted to mean all ECDSA algorithms...