CVE-2026-114635 Traefik before v2.11.58 and v3.7.14 SNI Check Bypass via HTTP/2 Scheme

Traefik before v2.11.58 and v3.7.14 contains an authentication bypass vulnerability in its SNI check, which is skipped when request TLS state is nil. Unauthenticated clients can send HTTP/2 requests with the :scheme http pseudo-header over TLS on Go 1.27 builds to reach routers requiring client...

CVE-2026-114635 Traefik before v2.11.58 and v3.7.14 SNI Check Bypass via HTTP/2 Scheme

Traefik before v2.11.58 and v3.7.14 contains an authentication bypass vulnerability in its SNI check, which is skipped when request TLS state is nil. Unauthenticated clients can send HTTP/2 requests with the :scheme http pseudo-header over TLS on Go 1.27 builds to reach routers requiring client...

CVE-2026-114635 Traefik before v2.11.58 and v3.7.14 SNI Check Bypass via HTTP/2 Scheme

Traefik before v2.11.58 and v3.7.14 contains an authentication bypass vulnerability in its SNI check, which is skipped when request TLS state is nil. Unauthenticated clients can send HTTP/2 requests with the :scheme http pseudo-header over TLS on Go 1.27 builds to reach routers requiring client...

EUVD-2026-107890

Traefik before v2.11.58 and v3.7.14 contains an authentication bypass vulnerability in its SNI check, which is skipped when request TLS state is nil. Unauthenticated clients can send HTTP/2 requests with the :scheme http pseudo-header over TLS on Go 1.27 builds to reach routers requiring client...

CVE-2026-114635

Traefik before v2.11.58 and v3.7.14 contains an authentication bypass vulnerability in its SNI check, which is skipped when request TLS state is nil. Unauthenticated clients can send HTTP/2 requests with the :scheme http pseudo-header over TLS on Go 1.27 builds to reach routers requiring client...

CVE-2026-114635

Traefik versions prior to v2.11.58 and v3.7.14 are vulnerable to an authentication bypass within the SNI check. The vulnerability occurs because the check is skipped when the request TLS state is nil. On Go 1.27 builds, unauthenticated clients can bypass certificate requirements by sending HTTP/2...

CVE-2026-114635

Traefik before v2.11.58 and v3.7.14 contains an authentication bypass vulnerability in its SNI check, which is skipped when request TLS state is nil. Unauthenticated clients can send HTTP/2 requests with the :scheme http pseudo-header over TLS on Go 1.27 builds to reach routers requiring client...

CLEANSTART-2026-PO84391 HTTP/2 servers could end up crashing due to inadvertently modifying its HPACK encoder concurrently

CVE-2026-97032 affects multiple packages. HTTP/2 servers could end up crashing due to inadvertently modifying its HPACK encoder concurrently. See references for individual vulnerability details...

CLEANSTART-2026-VA55733 malicious HTTP/2 peer can cause excessive CPU consumption in the client or server by opening a large number of streams and then sending many small SETTINGS frames containing SETTINGS_INITIAL_WINDOW...

CVE-2026-78669 affects multiple packages. A malicious HTTP/2 peer can cause excessive CPU consumption in the client or server by opening a large number of streams and then sending many small SETTINGS frames containing SETTINGSINITIALWINDOWSIZE values. See references for individual vulnerability...

CLEANSTART-2026-BZ34965 Historically, we have been rather lax about malformed framing-related headers in our HTTP/2 implementation, as they cannot interfere with HTTP/2 framing

CVE-2026-78660 affects multiple packages. Historically, we have been rather lax about malformed framing-related headers in our HTTP/2 implementation, as they cannot interfere with HTTP/2 framing. See references for individual vulnerability details...

CLEANSTART-2026-UE71064 HTTP/2 server can refund connection-level flow control twice for the same data: Once when a client resets a stream (refunding data for any sent-but-unread portion of the stream), and again when a r...

CVE-2026-78663 affects multiple packages. The HTTP/2 server can refund connection-level flow control twice for the same data: Once when a client resets a stream refunding data for any sent-but-unread portion of the stream, and again when a request handler reads the buffered data. See references f...

CLEANSTART-2026-PX32734 When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGS_MAX_FRAME_SIZE with a value of 0

Security vulnerability affects the etcd package. When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGSMAXFRAMESIZE with a value of 0...

CLEANSTART-2026-FR89285 When a server is configured to support unencrypted HTTP/2, it reads a few bytes from each new connection to see if they contain the HTTP/2 client preface

CVE-2026-56853 affects multiple packages. When a server is configured to support unencrypted HTTP/2, it reads a few bytes from each new connection to see if they contain the HTTP/2 client preface. See references for individual vulnerability details...

CLEANSTART-2026-JT86822 In Eclipse Jetty, for HTTP/1, HTTP/2 and HTTP/3 requests, there is no strict check that the request authority (host and port) matches what provided in the Host header (if present)

CVE-2026-6790 affects multiple packages. In Eclipse Jetty, for HTTP/1, HTTP/2 and HTTP/3 requests, there is no strict check that the request authority host and port matches what provided in the Host header if present. See references for individual vulnerability details...

RLSA-2026:86093 Important: golang security, bug fix, and enhancement update

The golang packages provide the Go programming language compiler. Security Fixes: net/http: golang: golang: Denial of Service via crafted HTTP Range headers CVE-2026-78667 crypto/tls: golang: crypto/tls: Denial of Service via multiple ECH outer extension references CVE-2026-97031 net/http:...

RLSA-2026:86196 Important: golang security, bug fix, and enhancement update

The golang packages provide the Go programming language compiler. Security Fixes: net/http: golang: golang: Denial of Service via crafted HTTP Range headers CVE-2026-78667 crypto/tls: golang: crypto/tls: Denial of Service via multiple ECH outer extension references CVE-2026-97031 net/http:...

Important: python-awscrt

Issue Overview: Improper handling of HPACK dynamic table size updates in the AWS Common Runtime aws-c-http library might allow a remote threat actor operating a server to cause memory corruption on a connecting client application, potentially leading to arbitrary code execution, via a crafted...

openSUSE 16 Security Update : coredns (openSUSE-SU-2026:22135-1)

The remote openSUSE 16 host has packages installed that are affected by a vulnerability as referenced in the openSUSE- SU-2026:22135-1 advisory. Changes in coredns: - Bump vendored google.golang.org/grpc from 1.83.0 to 1.83.1: CVE-2026-84304: heap memory exhaustion via HTTP/2 DATA frame...

Amazon Linux 2023 : python3-awscrt (ALAS2023-2026-3280)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-3280 advisory. Improper handling of HPACK dynamic table size updates in the AWS Common Runtime aws-c-http library might allow a remote threat actor operating a server to cause memory corruption on a connecti...

RHEL 8 : grafana (RHSA-2026:88188)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:88188 advisory. Grafana is an open source, feature rich metrics dashboard and graph editor for Graphite, InfluxDB & OpenTSDB. Security Fixes: net/http:...