WordPress WPBot plugin 8.7.2-8.7.5 - Subscriber+ Claude AI Settings Update vulnerability

Subscriber+ Claude AI Settings Update vulnerability discovered by Sergey Mkrtchyan b1acksparrow in WordPress Plugin ChatBot versions 8.7.2-8.7.5...

CVE-2026-87959: Improper Access Control

The WPBot WordPress plugin before 8.7.6 does not perform a capability check on the AJAX action that saves its Claude AI provider settings, allowing users with subscriber-level access to overwrite those settings, including the API key used for the WPBot WordPress plugin before 8.7.6's outgoing AI...

Using AI for Weapons Development

Last week, Anthropic released a long and detailed document describing current misuses of their Claude models. I'm still reading it, but I wanted to flag this: We identified a cell of threat actors based in northern Yemen running three weapons development programs: a guided rocket that used a...

⚡ Weekly Recap: Rogue AI Agents, WeChat Worm, PaperCut Attacks, AI Espionage, and Rootkits

AI keeps showing up in the wrong places. Attackers are using it to speed up exploits, test defenses, and automate more of the job. Some models are also crossing lines on their own. That is not a great combination. The rest of the week is more familiar: old bugs still working, fresh exploit chains...

From Hacks to Bioweapons, Claude Misuse Is Now Everywhere

Plus: The US disrupts the internet’s biggest black market, a Conti ransomware hacker gets prison time, Meta fails to stop AI-generated videos of child abuse...

sandbox-runtime v0.0.76

Anthropic Sandbox Runtime srt A lightweight sandboxing tool for enforcing filesystem and network restrictions on arbitrary processes at the OS level, without requiring a container. srt uses native OS sandboxing primitives sandbox-exec on macOS, bubblewrap on Linux and proxy-based network filterin...

When Malicious Instructions Persist: Persistent Memory Poisoning Attack on Harness-Based Agents

Harness design has transformed the development of LLM-based agents by integrating memory, tool use, and runtime control. However, this design also introduces security and privacy risks because malicious instructions from external sources may be written into persistent memory and persist across...

Anthropic Says Seven China-Based AI Labs Ran Industrial-Scale Claude Distillation Attacks

Anthropic on Thursday said it identified and disrupted industrial-scale illicit distillation attacks against Claude from seven labs based in China, including Alibaba, Moonshot, DeepSeek, Z.ai aka Zhipu, and MiniMax. Knowledge distillation by itself is a legitimate training method. It refers to a...

Claude Used to Automate Exploitation and Data Theft Across Multiple Victims

Anthropic has warned that cybercriminals and state-sponsored hackers alike are using its Claude models for cyber attacks, weapons design, propaganda, and mass surveillance between December 2025 and August 2026. The threat actors, which the artificial intelligence AI company has branded Generative...

Russian State-Sponsored Hackers Use Claude to Rebuild Malware After Detection

Anthropic on Thursday revealed it disrupted a campaign mounted by a Russian state-sponsored threat actor that abused Claude for developing an AI-assisted workflow to get ahead of the detection curve. The operation has been attributed to a cyber espionage group it calls GTG-20006 where "GTG" stand...

Seraphim

Seraphim Agentic AI security scanner that proves exploitabili...

Anthropic - Detecting and Countering Misuse of AI: September 2026

Over the past eight months, Anthropic's Threat Intelligence team identified and disrupted operations in which threat actors tried to use Claude for malicious activity. In this report, they share case studies from those operations and describe how malicious use of Claude has evolved since...

Anthropic Discloses Fourth AI Hacking Incident Involving Claude Opus 4.6

Anthropic on Wednesday disclosed a fourth incident in which its artificial intelligence AI model broke into real third-party systems, marking the latest in a growing list of cases that have raised concerns about the security risks posed by autonomous AI agents. The AI company said the incident...

Claude Fable Solves a Historical Cipher

Claude Fable 5.1 solved a 370-year-old cipher in forty-four minutes. This tracks with what I wrote about AIs doing mathematics: It's good at things that involve lots of searching and testing. EDITED TO ADD 9/14: I'm not sure if this result is correct. The blog comments have more discussion...

Big Enough to Break Out: Tracking the Rising Capability of LLM Penetration-Testing Agents

Large language model LLM agents are increasingly applied to penetration testing, but we still know little about what they can do or how they fail. We compare two PentestGPT-based systems: a legacy human-in-the-loop system running the open-weight Kimi K2.5, and a newer autonomous system running...

raptor v3.1.0

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Claude-Skills-Governance-Risk-and-Compliance v1.9.0

Claude Skills for Governance, Risk & Compliance GRC Expert-level compliance guidance for ISO 27001, SOC 2, FedRAMP, GDPR, HIPAA, NIST CSF, PCI DSS, TSA Cybersecurity, ISO 42001 AI Management System, ISO 27701 Privacy Information Management, DORA Digital Operational Resilience, India's Digital...

AI Coding Agents Are Installing Unknown/Untrusted Code on Corporate Networks

We cannot forget that AI coding agents are not yet trustworthy: Researchers at a stealth startup in Israel scanned 6,214 live domains belonging to defense contractors, Fortune 500, and Big Tech companies. Of the 8,265 llms.txt and llms-full.txt files they found many sites hosted both an llms.txt...

Malicious code in claude-channel-discord (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 40db25d41cbf34007ee5be9e31462d8346c3ec51dcb5b72160e76739aaedf4ad [email protected] is a dependency-confusion probe. package.json declares preinstall and postinstall hooks node index.js --save-prod and a...

MAL-2026-15922 Malicious code in claude-channel-discord (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 40db25d41cbf34007ee5be9e31462d8346c3ec51dcb5b72160e76739aaedf4ad [email protected] is a dependency-confusion probe. package.json declares preinstall and postinstall hooks node index.js --save-prod and a...