GO-2026-4793 Traefik has a Potential mTLS Bypass via Fragmented TLS ClientHello Causing Pre-SNI Sniff Fallback to Default Non-mTLS TLS Config in github.com/traefik/traefik

Traefik has a Potential mTLS Bypass via Fragmented TLS ClientHello Causing Pre-SNI Sniff Fallback to Default Non-mTLS TLS Config in github.com/traefik/traefik...

CVE-2026-32305

A flaw was found in Traefik, an HTTP reverse proxy and load balancer. A remote attacker can exploit this vulnerability by sending fragmented ClientHello packets during the Transport Layer Security TLS handshake. This causes Traefik's Server Name Indication SNI extraction to fail, leading to a...

Traefik has a Potential mTLS Bypass via Fragmented TLS ClientHello Causing Pre-SNI Sniff Fallback to Default Non-mTLS TLS Config

Summary There is a potential vulnerability in Traefik's TLS SNI pre-sniffing logic related to fragmented ClientHello packets. When a TLS ClientHello is fragmented across multiple records, Traefik's SNI extraction may fail with an EOF and return an empty SNI. The TCP router then falls back to the...

CVE-2026-32305

Traefik (HTTP reverse proxy/load balancer) versions affected: 2.11.40 and earlier; 3.0.0-beta1 through 3.6.11; 3.7.0-ea.1 are vulnerable to a bypass of mTLS enforcement via TLS ClientHello SNI pre-sniffing when ClientHello messages are fragmented. In this scenario, SNI extraction may EOF and retu...

CVE-2025-41744 Sprecher Automation: SPRECON-E series has static default key material for TLS connections

Sprecher Automations SPRECON-E series uses default cryptographic keys that allow an unprivileged remote attacker to access all encrypted communications, thereby compromising confidentiality and integrity...

PT-2023-28747 · Broadcom · Broadcom Raid Controller

Name of the Vulnerable Software and Affected Versions: Broadcom RAID Controller affected versions not specified Description: The Broadcom RAID Controller web interface has an insecure default TLS configuration that supports obsolete SHA1-based ciphersuites. This issue affects the default...

openSUSE Security Update : lighttpd (openSUSE-2019-2347)

This update for lighttpd to version 1.4.54 fixes the following issues : Security issues fixed : - CVE-2018-19052: Fixed a path traversal in modalias boo1115016. - Changed the default TLS configuration of lighttpd for better security out-of-the-box boo1087369. C Tenable Network Security, Inc. The...

spring-ldap: Authentication with userSearch and STARTTLS allows authentication with arbitrary password

A vulnerability was found in spring-ldap that allows an attacker to authenticate with an arbitrary password. When spring-ldap connected to some LDAP servers, when no additional attributes are bound, when using LDAP BindAuthenticator with...

CVE-2017-8028

In Pivotal Spring-LDAP versions 1.3.0 - 2.3.1, when connected to some LDAP servers, when no additional attributes are bound, and when using LDAP BindAuthenticator with org.springframework.ldap.core.support.DefaultTlsDirContextAuthenticationStrategy as the authentication strategy, and setting...