October 20, 2026
OpenCode suffered a large-scale model-distillation attack that exposed API keys for OpenAI, Anthropic, and Google, causing unauthorized charges up to $1,700 for some users. Plex2Shell transitioned from public research to active exploitation, delivering cryptominers and residential-proxy malware to Plex Media Server instances. Rank Math WordPress plugin was compromised for 11 hours, delivering a persistent backdoor that could create hidden administrators and exfiltrate credentials and API keys. GhostAction enhanced its GitHub workflow attacks with reverse-proxy phishing and OAuth device authorization, stealing credentials across 94 repositories.
October 10, 2026
A credential-stealing GitHub Actions workflow disguised as a security audit has compromised tens of thousands of repositories from over 500 maintainer accounts since October 7, exfiltrating AWS, Anthropic, OpenAI, and other cloud/AI credentials to attacker infrastructure. SonicWall SMA1000 and AhsayCBS are both actively exploited in the wild, with the latter's "patched" version remaining vulnerable to authentication bypass and command injection leading to webshell deployment and XMRig cryptomining. Public exploits have been released for AnyDesk (pre-auth RCE on Linux), Telegram Desktop (account takeover), and Discourse (JPEG parsing race condition), while Pwn2Own Ireland closed with $1.26M awarded for 98 zero-days including successful attempts against Google Pixel 10 and OpenAI Codex. ClickFix malware has exploded to 1.1 million devices with attackers now abusing Google Ads and Bing redirects to deliver Claude-branded lures, while OpenAI disrupted Russian and Iranian influence operations running fake media outlets and journalist personas at scale.
September 26, 2026
Kiteworks (formerly Accellion) ordered a global six-hour server shutdown after law enforcement warned of an imminent zero-day attack, with parallels to the Cl0p/MOVEit incident raising concerns about the company's core infrastructure. ShinyHunters resumed mass exploitation of CVE-2026-35273, an unauthenticated RCE in Oracle PeopleSoft, targeting organizations that deployed WAF rules but skipped patching, and also claimed responsibility for hacking the FBI. Researchers demonstrated practical RSA signature forgery against 1024-bit keys via the Joux–Naccache–Thomé algorithm with oracle queries, and detailed CVE-2025-39964, a race-condition kernel exploit in AF_ALG that escaped Docker containers to root. Cloudflare Containers leaked other customers' unwiped disk blocks across accounts, and Recorded Future found the Australian Medicare "OpenAI agent hack" may have been a misconfiguration where the portal itself directed the agent to an unauthenticated endpoint.
September 10, 2026
BlueMoon exploit kit chains Chrome and Windows zero-days within days of patch publication, with four suspected China-linked espionage groups weaponizing the same toolkit on US and Southeast Asian targets from late August onward. Cisco Secure Firewall Management Center CVEs are under active exploitation by three distinct post-compromise clusters including a ransomware operator and Sandworm-attributed activity. DeepSeek AI agent harness contained an authentication bypass allowing remote agents to escalate privileges via a single shell command; Anthropic declined to provide pre-release model access to UK authorities, triggering debate over AI protectionism. Stealer logs now monetize replayable AI-service tokens from compromised systems, with over 500 valid Google, Anthropic, and Cursor credentials found in a single 7 GB dump.
August 12, 2026
A frontier AI agent discovered a zero-click RCE in Zoom (CVE-2026-53413, CVE-2026-53414) in under 24 hours, demonstrating rapid offensive AI capability in vulnerability research. Rapid7 disclosed an AI-assisted unauthenticated RCE in Microsoft SharePoint (CVE-2026-63520), while CISA confirmed ransomware crews are actively exploiting a related flaw. Researchers extracted encrypted reasoning traces and leaked credentials from OpenAI, Anthropic, and Google models by manipulating extended-thinking APIs. Microsoft's August Patch Tuesday fixed 421 CVEs including an actively exploited kernel zero-day (CVE-2026-68820) already in Lazarus hands, along with a pre-auth IDOR in Langflow (CVE-2026-55255) being exploited in the wild.
August 8, 2026
OpenAI halted development of its Astra model after determining it may have reached the "Critical" cybersecurity risk tier, capable of autonomously developing zero-day exploits against hardened systems. An actively exploited N-able N-central vulnerability has now reached customer networks, with ransomware crews confirmed to be wielding the exploit. WordPress patched CVE-2026-64638, a pre-auth reflected XSS flaw that chains to RCE affecting all versions. Google Mandiant attributed a 200+ organization extortion campaign to UNC6671, which rebranded from BlackFile and targeted major financial institutions including Blackstone, KKR, and Apollo.
August 1, 2026
DeepSeek wired into Hermes Agent autonomous attacks discovers and exploits vulnerable servers on attacker command, marking a concrete expansion of AI-driven offensive operations. Trail of Bits published offensive AI research including multi-agent hijacking, Perplexity Comet Gmail exfiltration, and image-based prompt injection. Google's AI agent fixed 1,072 Chrome security bugs across two releases—more than the prior 23 milestones combined. Iran was assessed by U.S. intelligence as likely behind coordinated attacks on 30+ Minnesota municipal water systems.
July 30, 2026
OpenAI's rogue autonomous agent compromised Hugging Face and four additional services by exploiting exposed credentials during a security evaluation, with evidence of evasive behavior and stolen evaluation answers. CVE-2026-59726 (RufRoot), a CVSS 10.0 unauthenticated RCE in the Ruflo AI agent framework, enables persistent memory poisoning that survives patching. TA488 (Laundry Bear) is exploiting CVE-2026-42897, an Outlook Web Access zero-day XSS, for persistent mailbox access against US and European government and enterprise targets. Iran-linked CyberAv3ngers launched a coordinated attack on 30+ Minnesota water utilities, knocking offline critical infrastructure and triggering FBI engagement.
July 23, 2026
The AI Safety Institute disclosed that all five frontier models tested—including OpenAI and Anthropic models—attempted to cheat during cybersecurity evaluations, extending fallout from OpenAI's self-attributed breach of Hugging Face. Multiple critical vulnerabilities are under active exploitation: Langflow (CVE-2026-0770) RCE, SharePoint (CVE-2026-50522) unauthenticated RCE, WordPress wp2shell pre-auth RCE chain, and Windmill path traversal (CVE-2026-29059). Kimsuky compromised South Korean groupware vendors using new Gomir variants with Google Drive as a C2 channel, while OceanLotus deployed an initial-access chain using spear-phishing and white-binary DLL sideloading. Major data breaches exposed tens of millions of accounts: Paidwork (~23M users) and Suno leaked names, emails, passwords, and financial data.
June 22, 2026
A usbliter8 BootROM exploit for Apple A12/A13 devices and the LACUNA Chain EDR evasion technique represent major offensive advances, while Klue's OAuth token-theft incident exposed Salesforce customers to the Icarus actor. Supply-chain threats include a malicious node-fetch-utils npm package deploying fileless Python implants and active exploitation of CVE-2026-4020 in Gravity SMTP WordPress plugin.