Limit Login Attempts WordPress - Stored Cross-site Scripting

Limit Login Attempts WordPress plugin 4.0.50 contains a stored cross-site scripting caused by not escaping IP addresses controlled via headers like X-Forwarded-For before outputting them in reports, letting unauthenticated attackers execute scripts in admin context. id: CVE-2021-24657 info: name:...

Traefik - Open Redirect

Traefik before 1.7.26, 2.2.8, and 2.3.0-rc3 contains an open redirect vulnerability in the X-Forwarded-Prefix header. An attacker can redirect a user to a malicious site and possibly obtain sensitive information, modify data, and/or execute unauthorized operations. id: CVE-2020-15129 info: name:...

CVE-2026-55655

A flaw was found in OpenSSH. A local unprivileged attacker on a Linux client host can hijack client-side X11 forwarding connections. This is possible by pre-binding the preferred abstract X socket name when X11 forwarding is enabled and a local UNIX-domain X socket is used. A successful attack ca...

CVE-2026-55655

A flaw was found in OpenSSH. A local unprivileged attacker on a Linux client host can hijack client-side X11 forwarding connections. This is possible by pre-binding the preferred abstract X socket name when X11 forwarding is enabled and a local UNIX-domain X socket is used. A successful attack ca...

CVE-2026-54289

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.25, on AWS Lambda@Edge, CloudFront delivers a request header that appears more than once as several separate entries. The adapter writes each value with Headers.set instead of Headers.append, so...

CVE-2026-54289

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.25, on AWS Lambda@Edge, CloudFront delivers a request header that appears more than once as several separate entries. The adapter writes each value with Headers.set instead of Headers.append, so...

CVE-2026-54289 Hono: Lambda@Edge adapter keeps only the last value of a repeated request header, dropping the rest

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.25, on AWS Lambda@Edge, CloudFront delivers a request header that appears more than once as several separate entries. The adapter writes each value with Headers.set instead of Headers.append, so...

CVE-2026-54289

CVE-2026-54289 — Hono Lambda@Edge header handling : On AWS Lambda@Edge, prior to 4.12.25, CloudFront may deliver repeated headers as multiple entries. The Hono Lambda@Edge adapter uses Headers.set for each value, overwriting the previous one, so only the last value reaches the application. Header...

CVE-2026-54665

Apache NiFi 0.0.1 through 2.9.0 support building qualified URLs from one of several HTTP request headers that provide an alternative to the standard Host header without validating the values provided. Apache NiFi 1.6.0 introduced a configurable application property to restrict values provided in...

CVE-2026-54665

Apache NiFi (versions 0.0.1–2.9.0) is affected by an input-validation flaw where URL redirection/data references can be influenced by non-standard host headers. NiFi 1.6.0 added a proxy-host header validation mechanism, but validation was not applied to alternative headers (X-ProxyHost, X-Forward...

CVE-2026-54665 Apache NiFi: Missing Validation for Proxy Host Headers

Apache NiFi 0.0.1 through 2.9.0 support building qualified URLs from one of several HTTP request headers that provide an alternative to the standard Host header without validating the values provided. Apache NiFi 1.6.0 introduced a configurable application property to restrict values provided in...

EUVD-2026-38216

Apache NiFi 0.0.1 through 2.9.0 support building qualified URLs from one of several HTTP request headers that provide an alternative to the standard Host header without validating the values provided. Apache NiFi 1.6.0 introduced a configurable application property to restrict values provided in...

CVE-2026-48794

Authelia is an open-source authentication and authorization server providing two-factor authentication and single sign-on SSO for applications via a web portal. In versions 4.36.0 through 4.39.19, due to lack of canonicalization of domains in very specific edge cases, an access control rule may b...

Astra Linux – Vulnerability in golang-github-gin-gonic-gin

This affects all versions of the package github.com/gin-gonic/gin. When gin is exposed directly to the internet, a client’s IP address can be spoofed by setting the X-Forwarded-For header...

Astra Linux – Vulnerability in Apache2

Apache HTTP Server 2.4.53 and earlier may not send the X-Forwarded- headers to the origin server based on the client-side Connection header hop-by-hop mechanism. This could be used to bypass IP-based authentication on the origin server/application...

Astra Linux – Vulnerability in Ruby-Rack

Rack is a modular Ruby web server interface. Carefully crafted headers may cause header parsing in Rack to take longer than expected, potentially leading to a denial-of-service issue. The Accept and Forwarded headers are affected. Ruby 3.2 includes fixes for this problem, so Rack applications tha...

CVE-2026-54106

The U.S. Government Accountability Office GAO Electronic Protest Docketing System EPDS and Civilian Board of Contract Appeals CBCA Electronic Docketing System EDS do not validate X-Forwarded-For HTTP headers, allowing a remote attacker with compromised administrator credentials to bypass network...

CVE-2026-54106 U.S. GAO EPDS and CBCA EDS network access control bypass

The U.S. Government Accountability Office GAO Electronic Protest Docketing System EPDS and Civilian Board of Contract Appeals CBCA Electronic Docketing System EDS do not validate X-Forwarded-For HTTP headers, allowing a remote attacker with compromised administrator credentials to bypass network...

CVE-2026-54106

CVE-2026-54106 affects the U.S. GAO EPDS and CBCA EDS login flow, where X-Forwarded-For headers are not validated. The underlying issue allows a remote attacker who has compromised administrator credentials to bypass network access controls and log in, potentially gaining access to restricted doc...

GHSA-4JGR-PG2M-M988 Heimdall: Forwarded Header Injection via Unsanitized Host Header in Proxy Mode

Summary When Heimdall operates in proxy mode, it constructs the Forwarded HTTP header after executing the matched rule pipeline by inserting the incoming request's Host header value directly into the header string without sanitizing commas or semicolons. This allows an attacker to inject addition...