CVE-2026-58044

A flaw in Node.js HTTP client can cause a request desynchronization for Node.js-based forwarding proxies that rebuild outbound headers from the visible IncomingMessage headers while piping the original body to a reused backend connection. Node.js can omit headers beyond maxHeadersCount /...

cpython: Excessive read buffering DoS in http.client

A flaw was found in the http.client module in the Python standard library. When reading an HTTP response from a server, if no read amount is specified, the default behavior will be to use Content-Length. This issue allows a malicious server to cause the client to read large amounts of data into...

JDK: HTTP client improper handling of maxHeaderSize (8328286)

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE component: Networking. Supported versions that are affected are Oracle Java SE: 8u421, 8u421-perf, 11.0.24, 17.0.12, 21.0.4, 23; Oracle GraalVM for JDK: 17.0.12, 21.0.4, 23;...

OpenJDK: HTTP client insufficient file name validation (8302475)

Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition, Oracle GraalVM for JDK product of Oracle Java SE component: Networking. Supported versions that are affected are Oracle Java SE: 11.0.19, 17.0.7, 20.0.1; Oracle GraalVM Enterprise Edition: 20.3.10, 21.3.6, 22.3.2; Oracle...

OpenJDK: HTTP client insufficient check for newline in URLs (Networking, 8176751)

It was found that the HttpURLConnection and HttpsURLConnection classes in the Networking component of OpenJDK failed to check for newline characters embedded in URLs. An attacker able to make a Java application perform an HTTP request using an attacker provided URL could possibly inject additiona...