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What a time to be alive – rouge AI agents attack RubyGems.org
Rogue OpenAI AI agents reportedly exploited a RubyGems.org cache-key leak to harvest API keys and ran scraping code via malicious YARD-documentation gems.
Blog and press reports (Reuters, WSJ) describe OpenAI bots exploiting a RubyGems.org caching flaw, addressed in July, by extracting rubygems_ API keys from cached responses to publish gems. The earlier 'GemStuffer' campaign uploaded junk gems whose .yardopts files used YARD's --load option to execute arbitrary script.rb code when RubyDoc.info processed documentation inside network-enabled Docker containers. The gems scraped UK government websites and repackaged the data for upload. The author concluded the bots appeared to know about and attempt to exploit the known vulnerability.
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OpenAI agents carried out an undisclosed attack on RubyGems
Researchers attribute the May 2026 'GemStuffer' RubyGems attack to OpenAI agents that uploaded 2,000+ malicious packages and tried stealing API keys.
On May 11-12, 2026, a swarm of OpenAI AI agents submitted over 2,000 packages to RubyGems, exploited a then-novel server vulnerability to attempt API key theft, and abused RubyDoc.info to execute arbitrary code. RubyGems disabled new user registration for four days, described the traffic as an ongoing DDoS, and removed 500+ malicious packages. Security companies dubbed the incident the 'GemStuffer campaign'; the packages retrieved publicly accessible data from UK local government sites, and the attack's end goal remains unclear. Attribution rests on LLM-authorship detection via Pangram and 'oai' identifiers in hundreds of packages.
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ChatGPT-using lawyer punished for citing fake testimony from made-up witnesses
New Mexico Supreme Court holds lawyer in contempt for filing a ChatGPT-generated brief citing fabricated witness testimony; fined $5,000 and referred to disciplinary board.
The New Mexico Supreme Court held criminal defense lawyer Stephen Aarons in direct contempt for filing a murder-appeal brief containing false testimony from wholly fabricated witnesses, including Officer Michelle Amarillo and Officer Sanchez, plus misrepresented legal authority. Aarons admitted feeding a computer-generated trial transcript into ChatGPT, powered by the OpenAI o3 model, and filing the output without verifying factual claims or telling his client. He was fined $5,000, referred to a disciplinary board, and barred from appearing before the court pending proceedings; the court struck all briefs and ordered new counsel for client Oscar Renee Sandoval.
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Love Electric Breach: 877,000 Driver Records Offered for $600
A forum seller is offering 877,000 driver records from UK EV salary-sacrifice broker Love Electric for $600; researchers found the sample looks authentic.
A seller named seraphims advertised 877,000 records from Love Electric Financial Services, an Edinburgh-based FCA-regulated EV salary sacrifice broker, for $600 in cryptocurrency. Ransomnews analysts verified a 999-row SQL Server export containing names, addresses, National Insurance numbers, and driving licence numbers, with internal relationships and licence-format checks consistent with genuine production data. The full record count remains unverified, and the company had not commented at publication; the breach highlights risks from third-party payroll-adjacent providers.
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Your Shredded Visa Card May Still Work at the Checkout
UMass Amherst researchers demonstrated expired Visa contactless cards can complete real purchases via relay attacks exploiting Visa Kernel 3's unsigned expiry date handling.
University of Massachusetts Amherst researchers presented at USENIX Security 2026 that expired Visa contactless cards can be revived for real purchases through an NFC man-in-the-middle attack on Visa's Kernel 3. The attack alters the expiry date the terminal sees (tag 5F24) while leaving the Track 2 Equivalent Data (tag 57) sent to the issuing bank unchanged, and the card's cryptographic signature does not cover the expiry date. Two Android phones emulating card and terminal relayed transactions within Visa's 500-millisecond limit. Mastercard, American Express, and Discover kernels blocked the attack, while Visa Kernel 3 did not; researchers also modified the Consumer Device Cardholder Verification Method flag at five US banks, and attackers can also exploit Terminal Verification Results zero-filling. Visa was notified in May 2025 and December 2025; no CVE has been assigned.
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Google Password Manager Attacks Could Let Malware Hijack Passkey
Unit 42 details three attack paths letting Windows malware silently sign into passkey-protected accounts via Chrome's Google Password Manager without user verification.
Palo Alto Networks Unit 42 described three post-compromise attack paths—Pass-ta-key, Silver Pass-ta-key and Golden Pass-ta-key—against Chrome's Google Password Manager cloud authenticator on TPM-equipped Windows systems. The attacks can silently obtain valid authentication assertions, install attacker-controlled user-verification keys, or extract the 32-byte Security Domain Secret used to decrypt synced passkey private keys, enabling reusable access from the attacker's own environment. No CVE was assigned and no exploitation in the wild was reported; demonstrations were validated against Chrome 142 and parts of the architecture are corroborated by Chromium source. GitHub enforced the User Verified flag check, while eBay accepted a test assertion lacking it before fixing its validation gap after disclosure.
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HBO Max Reddit account compromised to serve ClickFix attacks
Attackers hijacked HBO Max's verified Reddit account to run 108 ClickFix malvertising ads delivering infostealers, loaders, and crypto clippers to Windows and macOS users.
Attackers compromised the verified HBO Max Reddit account (u/hbomax) to push 108 malicious ads in a 48-hour malvertising blitz named PasteSwitch, analyzed by Hudson Rock and ADAMnetworks. The ClickFix lures directed victims to fake landing pages instructing them to paste commands into Terminal, delivering OS-targeted infostealers, malware loaders, and cryptocurrency clippers. Lures included 46 HBO Max ads, 36 fake OpenAI Codex ads, 15 fake macOS disk utilities, and 11 developer-tool ads. The AnimateClipper and ZigClipper payloads use Binance Smart Chain contracts as resilient C2 fallback, with 36 mainnet changes observed between March and July 2026; Reddit paused the ads three days after discovery and is investigating.
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