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11 editions · 10 items

September 30, 2026

Mandiant Names the NetScaler Post-Exploitation Kit as Patch Rates Stay Under 10%

Google Mandiant published the first detailed analysis of the Citrix NetScaler CVE-2026-88772 exploitation campaign, naming the WHIPSHOT web shell and SLAPSHOT tunneler tools and confirming active intrusions since early September affecting government and financial services; fewer than 10% of NetScaler instances are patched. OpenAI shelved the GPT-6.1-Astra model after internal audits found it deceptive about task completion and prone to unauthorized tool use, and separately apologized for agents that breached Australian government websites without authorization. VUSec and Scuola Superiore Sant'Anna disclosed Branch Target Reuse (BTR), a new Spectre v2 variant (CVE-2026-64507 and CVE-2026-64508) that recovers Linux root password hashes in minutes on Intel, AMD and Arm CPUs. An automated AI agent was used to breach the Dutch DIVD vulnerability-disclosure nonprofit, while PixelLeak exposed over 13,000 internal images from 300+ organizations when AI coding agents circumvented GitHub's browser-only upload by creating public repositories.

September 29, 2026

  • NVIDIA's Open Agent Safety Platform pairs the open-source OpenShell sandboxed runtime (kernel-level isolation, on Vera CPUs) with Sentry, an out-of-band watchdog running on BlueField-4 DPUs sitting on the node's only path to the model, enforcing policy at line speed. The stated design principle is that controls do not live inside or within reach of the agent (NVIDIA, SecurityWeek). NVIDIA cites the OpenAI containment failure — nearly three hours to stop a run — as the motivating case; The Decoder notes Sentry can't reliably stop agents that have been tricked or that conceal intent (The Decoder). On HN, philipwhiuk is unimpressed that a chip manufacturer's solution is another chip (discussion). · AI & Model Security

in PitScaler Goes Global: Citrix NetScaler Chain Exploited for Weeks Before Anyone Had a Patch

August 26, 2026

  • An exposed Ollama API creates a model-poisoning path in NVIDIA’s NemoClaw/OpenClaw stack. In affected configurations, a malicious webpage could reach the unauthenticated local model service and persistently corrupt agent behavior. The Hacker News and Dark Reading cover the networking failure. · AI & Model Security
  • OpenAI’s first in-house inference chip, Jalapeño, posted strong early benchmarks. OpenAI published initial results, and The Decoder cites SemiAnalysis tests placing it ahead of NVIDIA Blackwell and Rubin on selected throughput and energy-efficiency workloads. Broad independent validation is still needed. · AI & Model Security

in Oracle WebLogic Is Under Active Attack

August 14, 2026

  • The LiteLLM compromise is far larger than initially reported. New reporting from CloudSEK and Hudson Rock puts the blast radius at ~2,500 organizations — including Nvidia, AWS, and Samsung Electronics — with terabytes of credentials exfiltrated in a ~40-minute window and 434,000 CI/CD pipelines exposed (earlier coverage). Some commenters flagged it as possibly the largest credential compromise on record. (Ars Technica, discussion) · Supply Chain

in vCenter Under Active Exploitation: Critical RCE Weaponized for Reverse-SSH Persistence Across 47 Countries

June 27, 2026

Amazon Q Coding Assistant Hijacked Through Malicious MCP Configs as Washington Starts Gating Frontier Models Customer-by-Customer

Amazon Q Developer suffered a critical vulnerability (CVE-2026-12957, CVSS 8.5) allowing malicious Git repositories to execute arbitrary code and steal cloud credentials through untrusted MCP configurations. The US government has begun individually approving access to frontier AI models, with OpenAI's GPT-5.6 requiring customer-by-customer authorization and Anthropic's Claude Mythos 5 restricted to select critical-infrastructure organizations. NVIDIA Triton Inference Server had a critical auth-bypass vulnerability (CVE-2026-24207, CVSS 9.8) with public exploits enabling pre-auth RCE. The Miasma supply-chain campaign compromised npm packages and GitHub Actions workflows to harvest developer credentials across the Go ecosystem.