wrong proxy connection reuse with credentials

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...

use after free in SMB connection reuse

When doing a second SMB request to the same host again, curl would wrongly use a data pointer pointing into already freed memory...

Denial Of Service (DoS)

Node.js is vulnerable to Denial of Service DoS. The vulnerability is due to improper handling of malformed HTTP/2 HEADERS frames containing invalid HPACK data, which can trigger an unhandled TLSSocket ECONNRESET error and cause the Node.js process to crash, enabling remote denial of service...

CVE-2026-3903 Modular Connector <= 2.5.1 - Cross-Site Request Forgery via postConfirmOauth

The Modular DS: Monitor, update, and backup multiple websites plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.5.1. This is due to missing nonce validation on the postConfirmOauth function. This makes it possible for unauthenticated attacker...

Malicious Package

Overview polygon-gamma-api is a malicious package. This package contains malicious code, and its content was removed from the official package manager. While this package might be attempting to impersonate a valid organization, there is no connection between that organization and this package...

PT-2026-24664

Name of the Vulnerable Software and Affected Versions curl affected versions not specified Description curl improperly reuses an existing HTTP proxy connection when performing a CONNECT request to a server, even if the new request uses different credentials for the HTTP proxy. The expected behavi...

curl 安全漏洞

curl is an open-source tool developed by cURL for transferring data from or to a server. Curl has a security vulnerability that stems from a logical error leading to improper reuse of connections. This allows requests using different credentials to mistakenly reuse the same connection...

PT-2026-24661

Name of the Vulnerable Software and Affected Versions libcurl affected versions not specified Description libcurl may reuse an incorrect connection when handling Negotiate-authenticated HTTP or HTTPS requests. This occurs because libcurl maintains a pool of recent connections to avoid overhead. A...

PT-2026-36198

Name of the Vulnerable Software and Affected Versions Exim versions prior to 4.99.2 Description When the SPA authentication driver is used with an adversarial SPA resource, an out-of-bounds write can occur, leading to a crash of the connection instance. Additionally, erroneous data processing may...

Linux Distros Unpatched Vulnerability : CVE-2026-1965

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libcurl can in some circumstances reuse the wrong connection when asked to do an Negotiate-authenticated HTTP or HTTPS request. libcurl features a pool of recen...

EUVD-2026-10804

Envoy is a high-performance edge/middle/service proxy. Prior to 1.37.1, 1.36.5, 1.35.8, and 1.34.13, a logic vulnerability in Envoy's HTTP connection manager FilterManager that allows for Zombie Stream Filter Execution. This issue creates a "Use-After-Free" UAF or state-corruption window where...

CVE-2026-26311

Envoy is a high-performance edge/middle/service proxy. Prior to 1.37.1, 1.36.5, 1.35.8, and 1.34.13, a logic vulnerability in Envoy's HTTP connection manager FilterManager that allows for Zombie Stream Filter Execution. This issue creates a "Use-After-Free" UAF or state-corruption window where...

GO-2026-4597 traefik CVE-2024-45410 fix bypass: lowercase `Connection` tokens can delete traefik-managed forwarded identity headers (for example, `X-Real-Ip`) in github.com/traefik/traefik

traefik CVE-2024-45410 fix bypass: lowercase Connection tokens can delete traefik-managed forwarded identity headers for example, X-Real-Ip in github.com/traefik/traefik...

curl: Connection Reuse Ignores OAuth Bearer Token Mismatch

Summary: The connection pool reuse function urlmatchconn in lib/url.c checks oauthbearer in its credential match block — but only for protocols marked as requiring per-connection credentials. For HTTP, OAuth bearer is passed as a header, not a protocol-level credential. If a libcurl application...

Envoy 资源管理错误漏洞

Envoy is an open-source gateway program developed by Enphase for connecting smart home devices. Versions of Envoy prior to 1.37.1, 1.36.5, 1.35.8, and 1.34.13 contain a resource management vulnerability. This vulnerability stems from logical flaws in the HTTP connection manager, which may lead to...

PT-2026-24380

Name of the Vulnerable Software and Affected Versions Envoy versions prior to 1.34.13 Envoy versions 1.35.0 through 1.35.7 Envoy versions 1.36.0 through 1.36.4 Envoy versions 1.37.0 Description Envoy is a high-performance edge/middle/service proxy. A logic issue exists in Envoy’s HTTP connection...

CVE-2026-3822

Summary: Taipower APP is vulnerable to an improper certificate validation in TLS/SSL. During HTTPS connections, the app does not verify the server’s certificate, enabling an unauthenticated attacker to perform a Man‑in‑the‑Middle (MITM) attack to read and tamper with network traffic. Affected pro...

curl: Use-After-Free in SMB connection reuse (req->path dangling pointer after needle destruction)

Summary A heap-use-after-free occurs in smbsendopen at lib/smb.c when curl processes two SMB URLs targeting the same host. The function smbparseurlpath sets req-path as a non-owning pointer into smbc-share connection-owned memory. During connection reuse, the needle connection is freed via...

curl: CVE-2026-3805: use after free in SMB connection reuse

Summary A heap-use-after-free occurs in smbsendopen at lib/smb.c when curl processes two SMB URLs targeting the same host. The function smbparseurlpath sets req-path as a non-owning pointer into smbc-share connection-owned memory. During connection reuse, the needle connection is freed via...

SUSE CVE-2026-29054

Traefik is an HTTP reverse proxy and load balancer. From version 2.11.9 to 2.11.37 and from version 3.1.3 to 3.6.8, there is a potential vulnerability in Traefik managing the Connection header with X-Forwarded headers. When Traefik processes HTTP/1.1 requests, the protection put in place to preve...