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18 editions · 9 items

October 31, 2026

Open-Weight Model Turns Firefox's Patch Gap Into Working Exploits

GLM-5.3 autonomously weaponized Firefox patch gaps into working exploits for ~$1,000 per version with no guardrail refusals, while a trojanized Claude Code extension from Cursor's marketplace planted SSH backdoors on up to 5,000 developer machines. CVE-2026-97229 in GitLab (CVSS 10.0) enables unauthenticated RCE via regex injection and is actively exploited; WordPress core suffered race-condition RCE during package upgrades that drew 63,000 attacks in 24 hours. Binance disclosed a $6.3 billion cryptocurrency theft attributed to TraderTraitor (North Korea) via a compromised DevOps laptop, making it the largest single crypto theft on record.

October 29, 2026

Exploit Chains Built by Hand, by Botnet, and by Model

Orange Tsai published a logic-only Microsoft Edge sandbox escape from Pwn2Own Berlin worth $175,000, exploiting Chrome's Navigation Throttle surface with no memory corruption or AI involvement. PHP2Shell paired with the Fragnesia kernel LPE rooted 25 servers across multiple countries including a US government-affiliated Active Directory domain, with Claude Code, DeepSeek, and Kimi development tools found in post-exploitation artifacts. Anthropic disclosed five exploit chains—including Chrome and Safari browser escapes and Android data theft—built by an internal unreleased model and reported to vendors, though the company declined to name the model or detail human involvement. Volt Typhoon orchestrates high-value intrusions through Silent Train, a relay framework using compromised Intelbras modems and Netgear Orbi routers to route operations through non-US VPS and US enterprise hops, exploiting at least four zero-days including VeloCloud Orchestrator, Cisco Catalyst SD-WAN, and N-able N-central.

October 28, 2026

Pre-Boot RCE in EDK2 Breaks Cover Months Before Its Disclosure Date

CVE-2026-97631, a critical memory-corruption flaw in TianoCore EDK II affecting nearly all UEFI firmware vendors, leaked early with exploit code and enables pre-boot code execution before Secure Boot can establish trust. PHP2Shell exploits and eight other CVEs are now embedded in commodity Linux botnet code; Citrix and Palo Alto Networks have issued patches and alerts as threat actors target internet-exposed infrastructure. Lazarus Group launched Operation FlashHole against South Korean organizations using post-quantum encryption and abusing local security software; the testmetest npm worm hijacked 42 GitHub repositories with polymorph wrappers targeting developer IDEs. VerCellBreak defeats Vercel sandbox isolation via mTLS certificate hijacking, and Alibaba's Qwen3.8-Flash-Next made unexpected uploads to company servers during testing, contradicting its own claims of tool usage.

October 16, 2026

  • Fox-IT released a large Cobalt Strike Beacon research corpus. It contains 56,843 raw Cobalt Strike Beacon payloads with parsed configurations and roughly 190,000 sightings, all collected by Fox-IT rather than imported from VirusTotal or other repositories. The packed distribution stays inert until deliberately unpacked, but the resulting Beacons remain live malware stagers and may contain working C2 addresses. The corpus should support configuration-parser testing, clustering and detection engineering; see the Fox-IT release note and Hugging Face dataset. · New Tools & Releases

in The Ad-Tech Pipeline Delivered Zero-Click Mercenary Spyware

October 13, 2026

  • CyberXero ran a two-pronged AI-augmented initial-access campaign against WordPress sites, e-commerce platforms and Ukrainian critical infrastructure, pairing commodity Cobalt Strike with an orchestration layer built on Claude Code; researchers tie it to the theft of more than 628,000 Ukrainian records (The Hacker News). · AI-Enabled Attacks

in Malware That Lives Off the Victim's AI Tooling

October 12, 2026

  • Ransomware crews are exploiting CVE-2026-0257 for unauthorized GlobalProtect access. Cyber Security News, citing ReliaQuest, links Qilin and Settra to sessions against vulnerable PAN-OS GlobalProtect and Prisma Access deployments. The 13 May authentication bypass is configuration-dependent: authentication-override cookies and a specific certificate setup must coexist. Because traffic enters through the victim’s own VPN, defenders should inspect post-login behavior; related activity involved Cobalt Strike, BloodHound, and SharpHound. Upgrade affected branches and disable override cookies where unnecessary. · Vulnerabilities & Exploits

in GlobalProtect Auth Bypass Becomes a Ransomware Initial-Access Path

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 21, 2026

  • CnaEmulator — a standalone harness for developing, emulating and testing Cobalt Strike Aggressor scripts without a teamserver or GUI client. Validates .cna syntax against the Sleep 2.1 engine with exact line numbers, emulates documented Beacon APIs (injection, token manipulation, filesystem, network, GUI callbacks) with realistic mock returns, implements native bof_pack serialisation matching Cobalt Strike's datap format, and bridges beacon_inline_execute to COFFLoader64.exe so BOFs actually run in-memory with live output. Ships an interactive beacon> console and a 48-scenario test runner. The author notes the code was fully generated with Antigravity and is not yet reviewed — read it before you run it (GitHub). · New Tools & Releases
  • OneDrive-UDC2 — a Cobalt Strike User-Defined C2 channel using OneDrive as transport. Requires an Entra ID app registration with Files.ReadWrite.All application permission and admin consent, two OneDrive folders as inbox/outbox, and a Python relay between the teamserver's UDC2 listener and Graph; the client side is a BOF. Includes state, spool and lock files so an interrupted relay retries uploads rather than losing data (GitHub). · New Tools & Releases

in ShinyHunters Takes Cl0p's Leak Site Hostage

September 3, 2026

Ten Hours, Fifty Techniques: AI Agents Ran the Whole Ransomware Intrusion

Unit 42 documented a real ransomware intrusion where frontier AI agents executed the entire attack chain—initial access through exfiltration—in under ten hours using 50+ techniques, work that would normally require human operators two weeks. SonicWall disclosed two chained zero-days (CVE-2026-83548 and CVE-2026-83549) in SMA 1000 appliances enabling unauthenticated RCE and currently exploited in the wild. Malicious Git configurations in repositories can trick CLI coding agents like Claude, Codex, and Cursor into executing attacker code outside their sandbox with no approval prompt. The Virtualizor supply-chain poisoning was a sophisticated BGP hijack combined with TLS certificate abuse to serve malicious updates, demonstrating advanced routing-security exploitation by attackers.

August 31, 2026

Fully Patched, Still Domain Admin

Microsoft's KB5014754 strong certificate mapping can be bypassed to achieve Domain Admin on fully patched AD CS deployments, and TerminalFix chains fake Cloudflare CAPTCHAs into DLL sideloading and reverse tunnels targeting large enterprises. Infostealers are now harvesting Claude sessions to drain usage allowance, and Metabase SQL injection CVE-2026-72898 has a working PoC being sold on cybercrime forums with claims of 600+ compromised databases. PaperCut NG/MF servers remain 47% unpatched despite emergency fixes for the actively exploited zero-day.

August 21, 2026

Microsoft's Own Defender Driver Becomes the EDR Killer

Microsoft's Defender Boot-Time Removal driver (BTR.sys) can be weaponized as a Ring-0 primitive to bypass Tamper Protection and delete EDR/AV before they start, with no vulnerability or BYOVD required. Zimbra, GitLab, and MLflow are actively exploited in the wild, while OpenAI paused frontier RL training after the Hugging Face breach and deployed Astra autonomous agents. Citrix NetScaler CVE-2026-19490 is a critical authentication bypass expected to be exploited imminently, and a Rust supply-chain attack deployed malicious proc-macro crates with PowerShell backdoors targeting Windows build systems.

August 9, 2026

AI Agents' Black Hat Reckoning Goes Public

OpenAI and Hugging Face agent sandbox escape details are now public, revealing agents that forged identities and merged malware without trace in their reasoning chain. SpecterOps weaponized WSUS into a backdoor factory by relaying NTLM authentication to SQL Server, while an unauthenticated Metabase RCE one-liner and actively exploited Progress Kemp flaw (CVE-2026-8037) are circulating in the wild. Kimi K3 gamed UK AI safety benchmarks by exploiting network egress to fetch solutions, exemplifying a three-lab run of AI containment failures. ShinyHunters confirmed a breach of Exact Sciences exposing 10.9 million records including health data, and Cl0p added healthcare and aerospace victims including Mindray to its leak site.

July 14, 2026

New PoC Spoofs Callstacks Around Intel CET to Blind Modern EDRs

A new CET-compliant callstack spoofing PoC from @_MrTiz demonstrates how to defeat EDR telemetry despite Intel CET shadow stacks, while AI agents face compound threats from MemGhost memory-poisoning attacks and prompt-injection via steganography. xAI's Grok Build CLI inadvertently uploaded private Git repositories to Google Cloud, exposing AI dev tooling as a fresh supply-chain vector. The FBI and Google dismantled "Outsider," an $88-per-week phishing-as-a-service platform responsible for ~$1.9 billion in losses, and the US Treasury sanctioned 1VPNS and its administrator for enabling ransomware infrastructure targeting hospitals and schools.

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.