CVE-2026-54465

websocket-driver is a WebSocket protocol handler with pluggable I/O. Prior to 0.8.1, when websocket-driver is used to implement a WebSocket server on top of a TCP server using WebSocket::Driver.server or to complement a WebSocket client, a peer can make a single connection consume an unbounded...

UBUNTU-CVE-2026-54171

Excon is usable, fast, simple HTTP 1.1 for Ruby. Prior to 1.5.0, Excon's RedirectFollower middleware failed to strip additional sensitive headers when following redirects and did not provide a custom list of headers to strip. This could cause inadvertent leakage of sensitive data when the initial...

CVE-2024-23577

CVE-2024-23577 : The HCL Aftermarket EPC product is vulnerable due to lack of HOST header validation, allowing arbitrary hosts via HTTP. This can enable Host header poisoning and potential server misconfigurations. The available documents do not specify affected versions, exact vulnerable compone...

CVE-2026-49788

Allocation of resources without limits or throttling in HTTP/2 allows an unauthorized attacker to deny service over a network...

CVE-2026-6790

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. This was not enforced in earlier HTTP RFC for example, in RFC 2616, but it is in the latest RFC 9110 and 9112. This...

CVE-2026-6790

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. This was not enforced in earlier HTTP RFC for example, in RFC 2616, but it is in the latest RFC 9110 and 9112. This...

SUSE-SU-2026:2926-1 Security update for curl

This update for curl fixes the following issues - CVE-2026-8286: wrong STARTTLS connection reuse bsc1268402. - CVE-2026-8458: wrong reuse for different services bsc1268407. - CVE-2026-8924: traling dot domain super cookie bsc1268409. - CVE-2026-8927: env-set cross-proxy Digest auth state leak...

CVE-2026-38968

ntopng through 6.6 is vulnerable to Predictable Session Identifier which can lead to Session Hijacking. HTTP session identifiers in src/HTTPserver.cpp use weak time-seeded pseudo-randomness during session creation. As a result, fresh authenticated logins can receive deterministic or colliding...

SUSE-SU-2026:2695-1 Security update for nodejs22

This update for nodejs22 fixes the following issues: - CVE-2026-48618: tls: normalize hostname for server identity checks bsc1268593. - CVE-2026-48933: crypto: guard WebCrypto cipher output length bsc1268592. - CVE-2026-48615: lib,test: redact proxy credentials in tunnel errors bsc1268598. -...

PT-2026-53829

Name of the Vulnerable Software and Affected Versions PROMOD V affected versions not specified Description PROMOD V uses insecure HTTP communication instead of HTTPS. This issue occurs because the third-party Digipede server does not support HTTPS, which allows data to be transmitted without...

EUVD-2026-40009

A vulnerability was identified in Databend up to 1.2.881 on HTTP. This affects the function ClientSessionManager::statekey of the file src/query/service/src/servers/http/v1/session/clientsessionmanager.rs of the component Tenant Handler. The manipulation leads to authorization bypass. It is...

CVE-2026-58055

nghttp2's nghttpx proxy through 1.69.0 forwards an HTTP/1.1 Upgrade request that also carries a Content-Length header and body onto reusable keep-alive backend connections, re-adding the Upgrade and Connection headers while passing Content-Length verbatim. A backend that resolves the resulting...

PT-2026-53225

Name of the Vulnerable Software and Affected Versions mcp Python SDK versions prior to 1.27.2 Description Principal confusion exists in the HTTP transports of the mcp Python SDK. Specifically, the SSE and Streamable HTTP stateful mode routed sessions fail to verify if the principal matches the...

GO-2026-5641 CrowdSec AppSec silently drops request body for chunked / HTTP-2 requests in github.com/crowdsecurity/crowdsec

CrowdSec AppSec silently drops request body for chunked / HTTP-2 requests in github.com/crowdsecurity/crowdsec...

CVE-2026-40208

An attacker might be able to delay the processing of DoH3 queries by sending DoH3 GET queries with an invalid DATA frame...

CVE-2023-54365

A flaw was found in Traefik's HTTP/2 request handling. A remote attacker can exploit this vulnerability by rapidly creating and canceling HTTP/2 streams. This can exhaust server resources, leading to a denial of service DoS and making the service unavailable to legitimate users. This issue is...

CURL-CVE-2026-9545 exposing HTTP/3 early data

In this scenario, libcurl first uses a proper HTTP/3 server for the initial transfers, and when it makes a second transfer to the same site it has been replaced by the attacker's impostor machine - without a valid certificate. When libcurl returns to the hostname the second time with a cached SSL...

BIT-ENVOY-2026-47774 Envoy vulnerable to HTTP/2 memory exhaustion via cookie header size bypass and HPACK amplification

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to versions 1.35.11, 1.36.7, 1.37.3, and 1.38.1, a vulnerability in Envoy's HTTP/2 downstream request processing allows an unauthenticated remote client to trigger excessive memory consumption, potentiall...

CVE-2026-56073

Cap-go before 12.128.2 contains an authentication bypass vulnerability in OTP verification that allows attackers to bypass email verification by modifying server responses. Attackers can intercept OTP verification requests and manipulate HTTP responses to falsely mark verification successful,...

CVE-2026-12291

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the Networking: HTTP component...