curl: HTTP/1.1 Response Desynchronization via conflicting CL/TE headers in Proxy CONNECT

Summary: curl fails to prioritize the Transfer-Encoding: chunked header over Content-Length in HTTP/1.1 proxy responses specifically 407/401 auth challenges, violating RFC 9112 Section 6.1. I have identified the root cause in cf-h1-proxy.c. In the response-handling loop around line 466, the code...

CVE-2026-4528 trueleaf ApiFlow URL Validation http_proxy.service.ts validateUrlSecurity server-side request forgery

A vulnerability was determined in trueleaf ApiFlow 0.9.7. The impacted element is the function validateUrlSecurity of the file packages/server/src/service/proxy/httpproxy.service.ts of the component URL Validation Handler. This manipulation causes server-side request forgery. Remote exploitation ...

Authentication Bypass by Primary Weakness

Overview Affected versions of this package are vulnerable to Authentication Bypass by Primary Weakness in the urlmatchproxyuse function used by the CONNECT operation for an HTTP proxy connection. An attacker in control of an already-authenticated connection can authenticate using its credentials ...

DEBIAN-CVE-2026-3784

curl would wrongly reuse an existing HTTP proxy connection doing CONNECT to a server, even if the new request uses different credentials for the HTTP proxy. The proper behavior is to create or use a separate connection...

AZL-79679 CVE-2026-3784 affecting package curl for versions less than 8.11.1-6

curl would wrongly reuse an existing HTTP proxy connection doing CONNECT to a server, even if the new request uses different credentials for the HTTP proxy. The proper behavior is to create or use a separate connection...

CVE-2026-3784: Authentication Bypass by Primary Weakness

curl would wrongly reuse an existing HTTP proxy connection doing CONNECT to a server, even if the new request uses different credentials for the HTTP proxy. The proper behavior is to create or use a separate connection...

CVE-2026-2836: Insufficient Verification of Data Authenticity

A cache poisoning vulnerability has been found in the Pingora HTTP proxy framework’s default cache key construction. The issue occurs because the default HTTP cache key implementation generates cache keys using only the URI path, excluding critical factors such as the host header authority...

curl: CVE-2026-3784: wrong proxy connection reuse with credentials

Summary libcurl may reuse an existing HTTP proxy CONNECT tunnel without matching proxy credentials when selecting a reusable connection. In lib/url.c, urlmatchproxyuse calls proxyinfomatches lib/url.c:930-935 → lib/url.c:589-595, and that matcher compares proxy type, host, and port but does not...

CVE-2026-25738

Indico is an event management system that uses Flask-Multipass, a multi-backend authentication system for Flask. Versions prior to 3.3.10 are vulnerable to server-side request forgery. Indico makes outgoing requests to user-provides URLs in various places. This is mostly intentional and part of...

OESA-2026-1405 libsoup security update

libsoup is an HTTP client/server library for GNOME. It uses GObjects and the glib main loop, to integrate well with GNOME applications, and also has a synchronous API, for use in threaded applications. Security Fixes: A flaw was found in libsoup’s WebSocket frame processing when handling incoming...

Security update for apptainer

This update for apptainer fixes the following issues: Security fixes: CVE-2024-45310: Fixed runc being tricked into creating empty files/directories on host bsc1257432 CVE-2025-65105: Fixed security bypass due to disabling security options bsc1255462 CVE-2025-47914: Fixed malformed constraint may...

SUSE-SU-2026:0439-1 Security update for apptainer

This update for apptainer fixes the following issues: Security fixes: - CVE-2024-45310: Fixed runc being tricked into creating empty files/directories on host bsc1257432 - CVE-2025-65105: Fixed security bypass due to disabling security options bsc1255462 - CVE-2025-47914: Fixed malformed constrai...

CVE-2026-1467

A flaw was found in libsoup, an HTTP client library. This vulnerability, known as CRLF Carriage Return Line Feed Injection, occurs when an HTTP proxy is configured and the library improperly handles URL-decoded input used to create the Host header. A remote attacker can exploit this by providing ...

CVE-2026-1467

A flaw was found in libsoup, an HTTP client library. This vulnerability, known as CRLF Carriage Return Line Feed Injection, occurs when an HTTP proxy is configured and the library improperly handles URL-decoded input used to create the Host header. A remote attacker can exploit this by providing ...

CVE-2026-1467: Improper Neutralization of CRLF Sequences

A flaw was found in libsoup, an HTTP client library. This vulnerability, known as CRLF Carriage Return Line Feed Injection, occurs when an HTTP proxy is configured and the library improperly handles URL-decoded input used to create the Host header. A remote attacker can exploit this by providing ...

MiracleLinux 8 : go-toolset:rhel8 (AXSA:2022-3736:01)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2022-3736:01 advisory. golang: compress/gzip: stack exhaustion in Reader.Read CVE-2022-30631 golang: net/http: improper sanitization of Transfer-Encoding header...

MiracleLinux 7 : curl-7.29.0-59.el7.2 (AXSA:2023-7014:15)

The remote MiracleLinux 7 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2023-7014:15 advisory. curl: Use-after-free triggered by an HTTP proxy deny response CVE-2022-43552 Tenable has extracted the preceding description block directly from the...

MiracleLinux 9 : grafana-pcp-3.2.0-3.el9 (AXSA:2023-4824:01)

The remote MiracleLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2023-4824:01 advisory. golang: net/http: improper sanitization of Transfer-Encoding header CVE-2022-1705 golang: io/fs: stack exhaustion in Glob CVE-2022-30630 golang:...

MiracleLinux 4 : spice-gtk-0.20-11.AXS4 (AXSA:2014-014:01)

The remote MiracleLinux 4 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2014-014:01 advisory. Client libraries for SPICE desktop servers. Security issues fixed with this release: CVE-2013-4324 spice-gtk 0.14, and possibly other versions, invokes the...

MiracleLinux 4 : php-5.3.3-48.AXS4 (AXSA:2016-621:04)

The remote MiracleLinux 4 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2016-621:04 advisory. PHP is an HTML-embedded scripting language. PHP attempts to make it easy for developers to write dynamically generated webpages. PHP also offers built-in...