crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain validation

A flaw was found in Go's crypto/x509 package. A remote attacker could exploit this by presenting a specially crafted certificate chain containing a large number of policy mappings. This inefficient validation process consumes excessive resources, which can lead to a denial of service DoS for...

CVE-2026-82920

Mattermost versions 11.9.x ≤ 11.9.0 , 11.8.x ≤ 11.8.4 , and 11.7.x ≤ 11.7.7 fail to enforce authorization boundaries on the ABAC policy update endpoint. A channel or team administrator can detach a system-assigned ABAC parent policy by sending a crafted PUT /api/v4/access_control_policies request...

EUVD-2026-77487

Mattermost versions 11.9.x = 11.9.0, 11.8.x = 11.8.4, 11.7.x = 11.7.7 fail to enforce authorization boundaries on the access control policy update endpoint which allows a channel or team administrator to detach a system-assigned ABAC parent policy via a crafted PUT /api/v4/accesscontrolpolicies...

cmcp

cMCP: Confidential MCP Runtime Enforce MCP tool policy inside a TEE, where the agent it governs cannot reach it Quick Start · Architecture · Configuration · CLI · Changelog Developer Preview - launched at the Confidential Computing Summit, June 23 2026. May have breaking changes before v1.0. See...

Astra Linux – Vulnerability in imagemagick

ImageMagick is free software available as a ready-to-run binary distribution or as source code that you can use, copy, modify, and distribute in both open and proprietary applications. In affected versions, Postscript files may be read and written when specifically excluded by a module policy in...

Astra Linux – Vulnerability in Chromium

Insufficient validation of untrusted inputs in Extensions in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to bypass the same-origin policy through a crafted HTML page. Chromium security severity: High...

SFPolDevChk

Salesforce Policy Deviation Checker Released as open source by NCC Group Plc - https://www.nccgroup.com/ Developed by Jerome Smith @exploresecurity With thanks to Stephen Tomkinson @neonbunny9 https://www.github.com/nccgroup/SFPolDevChk Released under AGPL - refer to LICENSE for more information...

crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain validation

A flaw was found in Go's crypto/x509 package. A remote attacker could exploit this by presenting a specially crafted certificate chain containing a large number of policy mappings. This inefficient validation process consumes excessive resources, which can lead to a denial of service DoS for...

cupcake

Cupcake Make AI agents follow the rules. Policy enforcement layer for AI agents; yielding better performance and security without consuming model context. Deterministic rule-following for your agents. Interactive Examples Better performance by moving rules out of context and into policy-as-code...

bucket-stream

🚨 Bucket Stream is no longer maintained. If you need support or consultation for your red teaming endeavours, drop me an e-mail [email protected] 🚨 Bucket Stream Find interesting Amazon S3 Buckets by watching certificate transparency logs. This tool simply listens to various certificate...

scopeblind-gateway

protect-mcp Fail-closed Cedar policy gate plus signed receipts for AI agent tool calls. protect-mcp is a gate that sits in front of an AI agent's tool calls. It evaluates each call against a Cedar policy the same language AWS uses for IAM, blocks what breaks the rules before it runs, and signs an...

CVE-2019-11539

CVE-2019-11539 Original Discovery: Orange Tsai, Meh Chang Authors: Justin Wagner, Alyssa Herrera Thanks to: Orange, Meh Chang, Rich Warren, Alyssa, Mimir Vulnerability Description In Pulse Secure Pulse Connect Secure version 9.0RX before 9.0R3.4, 8.3RX before 8.3R7.1, 8.2RX before 8.2R12.1, and...

selinux-notebook

The SELinux Notebook Introduction The SELinux Notebook is an Open Source book on SELinux, originally created by Richard Haines and donated to the SELinux community. The Notebook's goal is to be the most current and comprehensive book on SELinux, covering the Linux Kernel components, the userspace...

CVE-2022-37017

CVE-2022-37017 Authentication bypass for Symantec Endpoint Protection 14.3.5351 Client User Interface Password Symantec Endpoint Protection allows setting a password protection on its UI to prevent configuration changes. This password check in implemented by logic that is neither in a Protected...

agentsh

agentsh macOS note: Native macOS enforcement via ESF Endpoint Security Framework + NE Network Extension is in Alpha. It works end-to-end — file, process, and network events flow through the system extension to the Go policy engine — but expect rough edges and breaking changes between releases. Fo...

ridrelay

RidRelay Quick and easy way to get domain usernames while on an internal network. Hit me up: @skorov8 How it works RidRelay combines the NTLM Relay attack, common lsarpc based queries and RID cycling to get a list of domain usernames. It takes these steps: 1. Spins up an SMB and HTTP servers and...

scorecard

OpenSSF Scorecard...

polaris

Polaris is an open source policy engine for Kubernetes Polaris is an open source policy engine for Kubernetes that validates and remediates resource configuration. It includes 30+ built in configuration policies, as well as the ability to build custom policies with JSON Schema. When run on the...

clawdstrike

Clawdstrike EDR for the age of the swarm. Fail closed. Sign the truth. Status: pre-1.0 beta. Public APIs are stable; defaults may still tighten before 1.0. Clawdstrike is a policy engine, an EDR, and a signed audit chain in one binary. An AI agent's toolcall sits in the same event taxonomy as a...

HolyGrail

HolyGrail A BYOVD hunter for finding the HolyGrail driver - Windows drivers suitable for BYOVD. Install root@kitploit: git clone https://github.com/BlackSnufkin/HolyGrail cd HolyGrail cargo build --release Quick start root@kitploit: HolyGrail.exe -d "C:\path\to\driver.sys" Add JSON output, custom...