CVE-2026-33231 NLTK has unauthenticated remote shutdown in nltk.app.wordnet_app

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. In versions 3.9.3 and prior, nltk.app.wordnetapp allows unauthenticated remote shutdown of the local WordNet Browser HTTP server whe...

Unauthenticated remote shutdown in nltk.app.wordnet_app

Summary nltk.app.wordnetapp allows unauthenticated remote shutdown of the local WordNet Browser HTTP server when it is started in its default mode. A simple GET /SHUTDOWN%20THE%20SERVER request causes the process to terminate immediately via os.exit0, resulting in a denial of service. Details The...

GHSA-JM6W-M3J8-898G Unauthenticated remote shutdown in nltk.app.wordnet_app

Summary nltk.app.wordnetapp allows unauthenticated remote shutdown of the local WordNet Browser HTTP server when it is started in its default mode. A simple GET /SHUTDOWN%20THE%20SERVER request causes the process to terminate immediately via os.exit0, resulting in a denial of service. Details The...

Unauthenticated remote shutdown in nltk.app.wordnet_app

Summary nltk.app.wordnetapp allows unauthenticated remote shutdown of the local WordNet Browser HTTP server when it is started in its default mode. A simple GET /SHUTDOWN%20THE%20SERVER request causes the process to terminate immediately via os.exit0, resulting in a denial of service. Details The...

PT-2026-26299

Name of the Vulnerable Software and Affected Versions NLTK versions 3.9.3 and prior Description NLTK’s nltk.app.wordnet app component allows unauthenticated remote shutdown of the local WordNet Browser HTTP server when started in its default mode. A simple GET /SHUTDOWN%20THE%20SERVER request to...

Ubuntu 22.04 LTS / 24.04 LTS : Go Networking vulnerabilities (USN-8089-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8089-1 advisory. Bahruz Jabiyev, Tommaso Innocenti, Anthony Gavazzi, Steven Sprecher, and Kaan Onarlioglu discovered that servers using Go Networking could ha...

USN-8089-1 golang-golang-x-net vulnerabilities

Bahruz Jabiyev, Tommaso Innocenti, Anthony Gavazzi, Steven Sprecher, and Kaan Onarlioglu discovered that servers using Go Networking could hang during shutdown if preempted by a fatal error. An attacker could possibly use this to cause a denial of service. This issue only affected Ubuntu 22.04 LT...

USN-8089-1: Go Networking vulnerabilities

Bahruz Jabiyev, Tommaso Innocenti, Anthony Gavazzi, Steven Sprecher, and Kaan Onarlioglu discovered that servers using Go Networking could hang during shutdown if preempted by a fatal error. An attacker could possibly use this to cause a denial of service. This issue only affected Ubuntu 22.04 LT...

Highly Autonomous Cyber-Capable Agents: Anticipating Capabilities, Tactics, and Strategic Implications

This report introduces the concept of "Highly Autonomous Cyber-Capable Agents" HACCAs, AI systems capable of autonomously conducting multi-stage cyber campaigns at a level comparable to today's top criminal hacking groups or state-affiliated threat actors, and analyzes the security implications o...

EUVD-2025-208477

CWE-404 Improper Resource Shutdown or Release vulnerability exists that could cause partial Denial of Service on Machine Expert protocol when an unauthenticated attacker sends malicious payload to occupy active communication channels...

EUVD-2025-208478

CWE-404 Improper Resource Shutdown or Release vulnerability exists that could cause partial Denial of Service on Machine Expert protocol when an unauthenticated attacker sends malicious payload to occupy active communication channels...

GO-2026-4608 Netmaker Vulnerable to Denial of Service via Server Shutdown Endpoint in github.com/gravitl/netmaker

Netmaker Vulnerable to Denial of Service via Server Shutdown Endpoint in github.com/gravitl/netmaker...

CVE-2025-13901

CWE-404 Improper Resource Shutdown or Release vulnerability exists that could cause partial Denial of Service on Machine Expert protocol when an unauthenticated attacker sends malicious payload to occupy active communication channels...

CVE-2025-13901

CWE-404 Improper Resource Shutdown or Release vulnerability exists that could cause partial Denial of Service on Machine Expert protocol when an unauthenticated attacker sends malicious payload to occupy active communication channels...

CVE-2025-13901

CWE-404 Improper Resource Shutdown or Release vulnerability exists that could cause partial Denial of Service on Machine Expert protocol when an unauthenticated attacker sends malicious payload to occupy active communication channels...

CVE-2025-13901

CVE-2025-13901 : CWE-404, Improper Resource Shutdown or Release, causing partial Denial of Service on the Machine Expert protocol when an unauthenticated attacker sends a malicious payload to occupy active communication channels. CVSSv4 base score 6.9 (MEDIUM); vector: Network, Low attack complex...

PT-2026-24228

Name of the Vulnerable Software and Affected Versions Machine Expert affected versions not specified Description An issue exists where a malicious payload sent by an unauthenticated attacker can occupy active communication channels, potentially leading to a partial Denial of Service. This relates...

CVE-2026-29771

Netmaker makes networks with WireGuard. Prior to version 1.2.0, the /api/server/shutdown endpoint allows termination of the Netmaker server process via syscall.SIGINT. This allows any user to repeatedly shut down the server, causing cyclic denial of service with approximately 3-second restart...

CVE-2026-29771

Netmaker makes networks with WireGuard. Prior to version 1.2.0, the /api/server/shutdown endpoint allows termination of the Netmaker server process via syscall.SIGINT. This allows any user to repeatedly shut down the server, causing cyclic denial of service with approximately 3-second restart...

CVE-2026-29781 Sliver: Authenticated Nil-Pointer Dereference in Handlers

Sliver is a command and control framework that uses a custom Wireguard netstack. In versions from 1.7.3 and prior, a vulnerability exists in the Sliver C2 server's Protobuf unmarshalling logic due to a systemic lack of nil-pointer validation. By extracting valid implant credentials and omitting...