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$1 Million Sandbox Challenge Uncovers Linux Kernel Flaws

Vercel's $1M sandbox challenge surfaced two Linux kernel networking defects—one leaking host kernel memory, one crashing hosts—with CVEs pending.

Vercel ran a two-week, $1 million sandbox escape challenge (Aug 18–Sep 1) on its Firecracker-based microVM sandbox, receiving 1,285 reports and committing ~$325k in payouts (1 Critical, 7 High, 15 Medium, 49 Low validated so far). No attacker accessed real customer data. The most important filing found two independent Linux kernel networking stack defects—one leaks host kernel memory, the other deterministically crashes the host—with wide implications for cloud providers isolating workloads via the same kernel layer. Fixes are under private review with CVEs pending; Vercel also plans to open-source its agentic report-triage agent built on the Eve framework running Kimi K3.

SecurityWeek · 13h agoVulnerability

AI agents are flooding public services with new requests

Researcher documents 'agentic flooding' across 84 cases in 11 jurisdictions as AI tools drive surging complaint volumes at public services worldwide.

TechCrunch covers researcher Chris Schmitz's paper documenting 'agentic flooding' across 84 potential cases in 11 jurisdictions, where AI tools drive surges in filings to public services. UK housing ombudsman complaints rose from 2,600 in 2022 to over 7,000, and CFPB complaints grew fivefold over the same period, with similar jumps in Brazilian and German petitions. The paper, set for presentation at the AI Ethics and Society conference, argues most new filings are legitimate claims previously blocked by administrative burden, and its dataset is publicly released.

TechCrunch · AI · 5d agoAI research

Multiple Chinese hacking groups seen using identical Chrome zero-day exploit

Four China-linked espionage groups share identical BlueMoon Chrome zero-day exploit kit targeting US defense contractors and Asian government agencies.

Proofpoint identified at least four Chinese-aligned espionage groups (TA412/RedBravo, UNK_LateNight, UNK_DoubleCheck, UNK_QuietRacket) using an identical Chrome zero-day exploit kit dubbed BlueMoon in late August through this week. Targets include US defense contractors, NGOs, mining companies, and Southeast Asian government agencies. The exploit chains a Chromium patch-gap vulnerability with a Windows flaw, delivering malware such as ShadowPad and a fake Gemini browser extension backdoor, with possible AI-assisted exploit development.

The Recordupdated · 18h agofirst · 6d agoExploit / PoC in the wild 20 sources1

H1 2026 Malware Vulnerability Trends

Recorded Future's H1 2026 report finds 215 actively exploited CVEs, RAT dominance, NFC payment fraud, and AI-augmented but not autonomous tradecraft.

Recorded Future's Insikt Group identified 215 actively exploited CVEs in H1 2026, up 34% from 161 in H1 2025, with the most impactful flaws combining network reachability, no authentication, and code execution. AsyncRAT was the top malware family, with AsyncRAT, Cobalt Strike, XWorm, Stealc, and REMCOS remaining top-ten staples; Android NFC malware like NFCShare and NGate enabled payment card theft and ATM cash-outs. AI-enabled attacks remained additive to established tradecraft, concentrated in Levels 1-3 of Recorded Future's AIM3 maturity model, with AI-assisted vulnerability research (e.g., Claude Mythos fixing 271 Firefox bugs in Firefox 150) inflating NVD disclosure volumes 43% above the prior six-month average. The report urges defenders to prioritize remotely exploitable RCE flaws, behavioral detection, developer credential security, and third-party oversight.

Recorded Future · 13d agoThreat actor in the wild1

Two alleged TeamPCP members arrested and charged after months of software supply

Australian Federal Police, with FBI support, arrested two alleged TeamPCP members behind supply-chain attacks that compromised over 1,000 organizations.

The AFP charged two Western Australian men, identified by media as Ruben Ian Thomson (21) and Louis Michael Gaebler (23), with 14 combined offences including unauthorized data modification and dealing in criminal proceeds. TeamPCP is blamed for poisoning open-source software releases including Trivy, LiteLLM, and the mini Shai-Hulud worm campaign, exposing over 500,000 credentials and at least 300 GB of data. Victims included the European Commission and GitHub, with remediation costs estimated in the hundreds of millions of dollars. Researchers from Flare traced one suspect through leaked passwords, a GitHub alias, and a Steam profile.

CyberScoop · 19d agoPolicy & legal1

OpenAI, Anthropic, Google API Flaw Let Weaker AI Models Decode Stronger Models' Reasoning

Researchers show encrypted reasoning blocks in OpenAI, Anthropic, and Google APIs can be replayed to recover hidden reasoning and secrets like API keys.

Researchers demonstrated that encrypted reasoning objects from OpenAI, Anthropic, and Google reasoning APIs could be replayed across sessions, users, and models, letting weaker same-family models act as decoders of hidden reasoning. Across 6,708 public agent trajectories they decoded 315,320 thinking blocks and found 704 privacy artifacts from real user sessions, including 62 API keys, 33 passwords, 24 access tokens, and seven private keys. The replayable blocks also enabled invisible prompt-injection proof-of-concepts; the main extraction attack is no longer reproducible as of August 2026 following mitigations, though no vendor has publicly acknowledged the flaw.

The Hacker News · Aug 12, 2026AI safety & security1