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...

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-2026-54665

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...

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...

MGASA-2026-0226 Updated ruby-rack packages fix security vulnerabilities

CVE-2026-26961 Greedy multipart boundary parsing can cause parser differentials and WAF bypass. Forwarded header semicolon injection enables Host and Scheme spoofing. CVE-2026-34230 Quadratic complexity in Rack::Utils.selectbestencoding via wildcard Accept-Encoding header. CVE-2026-34763 Root...

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

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...

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

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...

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...

PT-2026-50706

Name of the Vulnerable Software and Affected Versions U.S. GAO Electronic Protest Docketing System EPDS affected versions not specified U.S. CBCA Electronic Docketing System EDS affected versions not specified Description The U.S. Government Accountability Office GAO Electronic Protest Docketing...

CVE-2026-54388

Tinyproxy through 1.11.3, fixed in commit 364cdb6, fails to reject requests containing multiple Content-Length headers with differing values, forwarding all duplicate headers to the backend while using the first value to determine how many request body bytes to consume. Remote attackers can...

Improper Handling Of HTTP Headers

hono is vulnerable to Improper Handling of HTTP Headers. The vulnerability is due to using Headers.set instead of Headers.append when processing repeated request headers, which allows multiple header values to be overwritten and truncated, potentially enabling attackers to bypass security control...

CVE-2026-10839

Open redirection vulnerability in the authentication system allows an attacker to use manipulated values in the X-Forwarded-Host header to alter the URLs generated by the application. A successful exploit could redirect authenticated users to malicious sites following login procedures or...

CVE-2026-10837

Open redirection vulnerability due to insufficient validation of the X-Forwarded-Host HTTP header. An attacker could create manipulated links that, when opened by a victim, cause the victim to be redirected to domains controlled by the attacker, enabling phishing or deception attacks with limited...

CVE-2026-10839

CVE-2026-10839 describes an open redirect in the Password Manager authentication system. The vulnerability arises from manipulation of the X-Forwarded-Host header to alter generated URLs, potentially redirecting authenticated users to malicious sites after login. Impact is limited to confidential...

CVE-2026-10837

CVE-2026-10837 describes an open redirection vulnerability in a Password Manager caused by insufficient validation of the X-Forwarded-Host header. The issue allows an attacker to craft links that, when clicked by a victim, redirect to attacker-controlled domains, enabling phishing or deception wh...

IP Address Spoofing

Spring Cloud Gateway is vulnerable to IP Address Spoofing. The vulnerability is due to improper trust of X-Forwarded-For and Forwarded headers from untrusted proxies, allowing attackers to supply forged client IP information that may be used by downstream applications for security decisions,...

GHSA-WGPF-JWQJ-8H8P hono: Lambda@Edge adapter keeps only the last value of a repeated request header, dropping the rest

Summary 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 every value overwrites the previous one and only the last reaches the application. Repeated reques...