CVE-2026-107336: Authentication Bypass by Spoofing

Malcolm's front nginx reverse proxy defines a "Dashboards → Arkime shortcut" location using a case-insensitive regex matcher but a case-sensitive rewrite. A request whose path segment is not exact-lowercase for example /IDDASH2ARK/... enters the location the matcher fires but evades the rewrite n...

PT-2026-108105

Name of the Vulnerable Software and Affected Versions Malcolm affected versions not specified Description The front nginx reverse proxy uses a case-insensitive regex matcher for the Dashboards to Arkime shortcut location, but employs a case-sensitive rewrite. If a request path is not in exact...

CVE-2026-78660: Inconsistent Interpretation of HTTP Requests

Historically, we have been rather lax about malformed framing-related headers in our HTTP/2 implementation, as they cannot interfere with HTTP/2 framing. However, this makes it possible for our HTTP/2 implementation to forward responses containing such headers to an HTTP/1 client when acting as a...

PT-2026-108311

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description The HTTP/2 implementation is lax regarding malformed framing-related headers. When acting as a reverse proxy, the system may forward responses containing these...

CVE-2026-102161 Security Advisory 0190

An unauthenticated attacker located on an adjacent private network or any attacker routed through a reverse proxy/load balancer that forwards client headers can forge their source IP address and gain administrative session privileges on the CV-CUE backend...

Astra Linux – Vulnerability in JRuby

A vulnerability was discovered in Ruby versions 2.5.8, 2.6.x up to 2.6.6, and 2.7.x up to 2.7.1. WEBrick, a simple HTTP server bundled with Ruby, did not rigorously check the transfer-encoding header value. An attacker could potentially exploit this vulnerability to bypass a reverse proxy which...

Astra Linux – Vulnerability in Tomcat9

Apache Tomcat versions 10.0.0-M1 to 10.0.6, 9.0.0.M1 to 9.0.46, and 8.5.0 to 8.5.66 did not correctly parse the HTTP transfer-encoding request header in some circumstances, which could lead to requests for data smuggling when used with a reverse proxy. Specifically: - Tomcat incorrectly ignored t...

Astra Linux – Vulnerability in Tomcat9

If Apache Tomcat 8.5.0 to 8.5.82, 9.0.0-M1 to 9.0.67, 10.0.0-M1 to 10.0.26, or 10.1.0-M1 to 10.1.0 was configured to ignore invalid HTTP headers by setting rejectIllegalHeader to false the default for 8.5.x only, Tomcat would not reject requests containing an invalid Content-Length header. This...

github.com/oauth2-proxy/oauth2-proxy: OAuth2 Proxy 7.15.2 through 7.15.4 Authentication Bypass via X-Forwarded-Uri Under the Default Trusted Proxy Set

A flaw was found in oauth2-proxy. When configured in reverse-proxy mode without explicit trusted proxy settings, the application defaults to treating all incoming network traffic as originating from trusted proxies. A remote, unauthenticated attacker can exploit this issue by sending a request wi...

AlmaLinux 9.2 [TuxCare] Security Update: tomcat / tomcat-admin-webapps / tomcat-docs-webapp / etc (ALMALINUX9.2:CLSA-2025:1742924802)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1742924802 advisory. - Improper Input Validation vulnerability in Apache Tomcat.Tomcat from 11.0.0-M1 through 11.0.0-M10, from 10.1.0-M1 through 10.1.15, from...

PT-2026-105207

Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' vulnerability in Apache Tomcat caused by processing the transfer-encoding header for an HTTP/1.0 request may allow an attacker to cause one request from another user to fail when Tomcat is located behind a reverse prox...

EUVD-2026-89492

An improper authorization vulnerability in Fireware OS's Access Portal reverse proxy allows an authenticated, low-privileged Access Portal user to access other web applications they are not authorized for by sending a specially crafted request for a different resource which they are authorized to...

CVE-2026-86105

An improper authorization vulnerability in Fireware OS's Access Portal reverse proxy allows an authenticated, low-privileged Access Portal user to access other web applications they are not authorized for by sending a specially crafted request for a different resource which they are authorized to...

CVE-2026-86105: Improper Handling of Unicode Encoding

An improper authorization vulnerability in Fireware OS's Access Portal reverse proxy allows an authenticated, low-privileged Access Portal user to access other web applications they are not authorized for by sending a specially crafted request for a different resource which they are authorized to...

AlmaLinux 9.2 [TuxCare] Security Update: tomcat / tomcat-admin-webapps / tomcat-docs-webapp / etc (ALMALINUX9.2:CLSA-2025:1738695770)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1738695770 advisory. - Improper Input Validation vulnerability in Apache Tomcat.Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from...

CVE-2026-86105 Fireware OS Improper Authorization in Access Portal Reverse Proxy

An improper authorization vulnerability in Fireware OS's Access Portal reverse proxy allows an authenticated, low-privileged Access Portal user to access other web applications they are not authorized for by sending a specially crafted request for a different resource which they are authorized to...

CVE-2026-86105 Fireware OS Improper Authorization in Access Portal Reverse Proxy

An improper authorization vulnerability in Fireware OS's Access Portal reverse proxy allows an authenticated, low-privileged Access Portal user to access other web applications they are not authorized for by sending a specially crafted request for a different resource which they are authorized to...

CVE-2026-86105

An improper authorization vulnerability exists in the Fireware OS Access Portal reverse proxy. This flaw allows an authenticated, low-privileged Access Portal user to access unauthorized web applications by sending a specially crafted request for a different resource they are permitted to access....

CVE-2026-77756

A flaw was found in Apache Tomcat. This vulnerability, known as HTTP Request/Response Smuggling, occurs when Tomcat processes the transfer-encoding header for an HTTP/1.0 request while operating behind a reverse proxy. A remote attacker could exploit this to cause a denial of service, leading to...

PT-2026-102952

Name of the Vulnerable Software and Affected Versions Fireware OS affected versions not specified Description An improper authorization issue exists in the Access Portal reverse proxy. This allows an authenticated user with low privileges to access unauthorized web applications by sending a...