Duplicate Advisory: HTTP Request Smuggling via Premature Upgrade

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-xq2h-p299-vjwv. This link is maintained to preserve external references. Original Description An HTTP request smuggling vulnerability CWE-444 was found in Pingora's handling of HTTP/1.1 connection upgrades. The...

SUSE SLED15 / SLES15 / openSUSE 15 Security Update : libsoup (SUSE-SU-2026:0788-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0788-1 advisory. - CVE-2026-1467: lack of input sanitization can lead to unintended or unauthorized HTTP requests...

Alibaba Cloud Linux 3 : 0043: php:7.4 (ALINUX3-SA-2026:0043)

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2026:0043 advisory. Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities: CVE-2024-11233: In PHP versions 8.1. befor...

CVE-2026-2833 HTTP Request Smuggling via Premature Upgrade

An HTTP request smuggling vulnerability CWE-444 was found in Pingora's handling of HTTP/1.1 connection upgrades. The issue occurs when a Pingora proxy reads a request containing an Upgrade header, causing the proxy to pass through the rest of the bytes on the connection to a backend before the...

CVE-2026-2833 HTTP Request Smuggling via Premature Upgrade

An HTTP request smuggling vulnerability CWE-444 was found in Pingora's handling of HTTP/1.1 connection upgrades. The issue occurs when a Pingora proxy reads a request containing an Upgrade header, causing the proxy to pass through the rest of the bytes on the connection to a backend before the...

CVE-2026-2833 HTTP Request Smuggling via Premature Upgrade

An HTTP request smuggling vulnerability CWE-444 was found in Pingora's handling of HTTP/1.1 connection upgrades. The issue occurs when a Pingora proxy reads a request containing an Upgrade header, causing the proxy to pass through the rest of the bytes on the connection to a backend before the...

CVE-2026-2833

CVE-2026-2833 / Pingora HTTP request smuggling via premature Upgrade . Affected product: Pingora proxy in standalone deployments. Vulnerability: HTTP/1.1 upgrade handling allows forwarding the bytes after an Upgrade header to the backend before the backend accepts the upgrade (CWE-444), potential...

RUSTSEC-2026-0033 HTTP Request Smuggling via Premature Upgrade

Pingora versions prior to 0.8.0 would immediately forward bytes following a request with an Upgrade header to the backend, without waiting for a 101 Switching Protocols response. This allows an attacker to smuggle requests to the backend and bypass proxy-level security controls. This vulnerabilit...

Security update for libsoup

This update for libsoup fixes the following issues: CVE-2026-1467: lack of input sanitization can lead to unintended or unauthorized HTTP requests bsc1257398. CVE-2026-1539: proxy authentication credentials leaked via the Proxy-Authorization header when handling HTTP redirects bsc1257441...

CVE-2026-26365

Akamai Ghost on Akamai CDN edge servers before 2026-02-06 mishandles processing of custom hop-by-hop HTTP headers, where an incoming request containing the header "Connection: Transfer-Encoding" could result in a forward request with invalid message framing, depending on the Akamai processing pat...

exploit-notes

🎯 Pentest Playbook Index Welcome to the comprehensive penetra...

CVE-2025-12811

Improper Inconsistent Interpretation of HTTP Requests 'HTTP Request Smuggling' in Delinea Inc. Cloud Suite and Privileged Access Service. If you're not using the latest Server Suite agents, this fix requires that you upgrade to Server Suite 2023.1 agent 6.0.1 or later. If you cannot upgrade to...

Linux Distros Unpatched Vulnerability : CVE-2026-2708

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A request smuggling vulnerability exists in libsoup's HTTP/1 header parsing logic. The soupmessageheadersappendcommon function in libsoup/soup-message-headers.c...

CVE-2025-12811 Cloud Suite and Privilege Access Service– HTTP request smuggling vulnerability

Improper Inconsistent Interpretation of HTTP Requests 'HTTP Request Smuggling' in Delinea Inc. Cloud Suite and Privileged Access Service. If you're not using the latest Server Suite agents, this fix requires that you upgrade to Server Suite 2023.1 agent 6.0.1 or later. If you cannot upgrade to...

CVE-2025-12811 Cloud Suite and Privilege Access Service– HTTP request smuggling vulnerability

Improper Inconsistent Interpretation of HTTP Requests 'HTTP Request Smuggling' in Delinea Inc. Cloud Suite and Privileged Access Service. If you're not using the latest Server Suite agents, this fix requires that you upgrade to Server Suite 2023.1 agent 6.0.1 or later. If you cannot upgrade to...

CVE-2025-12811

CVE-2025-12811 affects Delinea Cloud Suite and Privileged Access Service with an HTTP Request Smuggling flaw (Improper Inconsistent Interpretation of HTTP Requests). The CVSS v4.0 base score is 6.9 (Medium) with network attack vector, low attack complexity, no privileges, and no user interaction ...

HTTP Request Smuggling

Overview Affected versions of this package are vulnerable to HTTP Request Smuggling via the soupmessageheadersappendcommon function in libsoup/soup-message-headers.c unconditionally appends each header value without validating for duplicate or conflicting Content-Length fields. This allows an...

Advisory ROSA-SA-2026-3151

Software: libsoup 2.62.3 OS: ROSA Virtualization 3.1 unaffected versions = libsoup-2.62.3-11.rv31 affected versions libsoup-2.62.3-11.rv31 CVE-ID: CVE-2025-4945 BDU-ID: 2025-10260 CVE-Crit: LOW CVE-DESC.: A vulnerability in the libsoup library of the GNOME GUI is related to integer overflow durin...

Moderate: Red Hat Security Advisory: Red Hat OpenStack Services on OpenShift 18.0 (python-eventlet) security update

An update for python-eventlet is now available for Red Hat OpenStack Services on OpenShift 18.0 Antelope. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

python-eventlet: Eventlet HTTP request smuggling

A request smuggling flaw was found in the Eventlet PyPI library. The Eventlet WSGI parser is vulnerable to HTTP Request Smuggling due to improper handling of HTTP trailer sections. This vulnerability allows attackers to bypass front-end security controls, launch targeted attacks against active si...