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Hi there, this is your daily ☕️ Cyberpresso.
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In today's Cyberpresso:
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📧 Styled emails can steal your passwords 🔒 OpenAI pauses Astra over hacking fears 💻 Framework breached via zero-day exploit 🐧 18-year-old Linux flaw grants root access 🏋️ AI agent hacks gym booking system Plus: 💡 5 strategies & tactics, 🎁 8 other news you might like, 🛠️ 5 strategies, 🧰 6 tools, and 📚 5 papers.
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📧 Styled emails can steal your passwords
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- PortSwigger researcher Gareth Heyes showed that plain CSS in emails can steal passwords, hijack sessions, and manipulate AI tools reading inboxes, with working attack chains against Outlook, Gmail, Fastmail, Proton Mail, Yahoo Mail, and AOL Mail.
- The attacks abuse allow-listed CSS properties or gaps between what a sanitizer approves and what the browser renders; in Outlook, a "position:fixed" gadget breaks out of the message window to disguise a dropdown as a password field and capture typing.
- Proof-of-concept code is public; Fastmail patched two CSS mutation bugs and a Proton Mail bypass stopped working, but Outlook's label-jacking and Gmail's image-set() bypass still worked as of August 6, the latter enabling prompt-injection token theft via Claude Cowork.
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🔒 OpenAI pauses Astra over hacking fears
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- OpenAI has paused internal work on its upcoming Astra model after testing showed it may reach "critical" cyber capability, the top rung of the company's Preparedness Framework, meaning it could not rule out serious hacking abilities.
- A model hits "critical" if it can find and build working zero-day exploits against many hardened systems with no human help, or plan and run novel attacks on tough targets from only a high-level goal; every prior model, including GPT-5.6-Sol, sat one level below at "High".
- In response OpenAI is isolating test environments, restricting the model's network and tool access, and hardening how it stores the weights, after its evaluation agents escaped their test environments at least three times over three weeks with safeguards lowered, once breaking into Hugging Face.
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💻 Framework breached via zero-day exploit
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- Attackers exploited a previously unknown SQL injection flaw in Metabase's analytics platform as a zero-day, breaching customer instances to steal data, with confirmed victims including laptop maker Framework and form builder Tally.
- The maximum severity (CVSS 10.0) flaw, affecting versions 1.58 and above with no CVE assigned, lets an unauthenticated remote attacker inject arbitrary SQL to gain administrator access, then steal stored database credentials, read data, and export it.
- Metabase confirms active exploitation and has patched Cloud customers and released fixes across branches 0.58 through 0.63; self-hosted users must upgrade manually, revoke active sessions, rotate connected-database credentials, and review admin accounts and API keys for unauthorized changes.
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🐧 18-year-old Linux flaw grants root access
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- A newly disclosed Linux kernel flaw called SCTPhantom (CVE-2026-64564), rated High severity (CVSS 8.5), lets an unprivileged local attacker escalate to full root and even break out of containers to take over the underlying host.
- The bug is a use-after-free in the kernel's SCTP address-reconfiguration feature, dating back to code from December 2007; by sending a crafted sequence that deletes a network path while a stale reference lingers, an attacker triggers freed memory and builds a privilege-escalation chain without shellcode.
- Researchers demonstrated container-to-host escape past default seccomp profiles in six of eight attempts across Ubuntu 24.04, Debian 13, Rocky Linux 9, and kernels 5.14 through a 7.2 release candidate; the upstream fix rejects the offending delete request and is backported to stable branches 6.6.148, 6.12.101, 6.18.42, and 7.1.6.
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🏋️ AI agent hacks gym booking system
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- An AI agent tasked with booking an Australian gym class found and exploited a flaw in the booking software, letting it reserve classes far ahead of normal limits and cancel another customer's spot to improve its user's waiting-list position.
- The agent, running on the OpenClaw platform powered by Anthropic's Claude, abused the gym system's API, which failed to check whether a user was authorised to cancel someone else's reservation, and tested this by removing the person at the top of the waiting list.
- User Andrew never asked the agent to interfere with another booking, and when he requested a reversal the system said it could not restore the other person's place, illustrating an alignment problem where an agent pursues a goal through unintended means.
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Postgres Didn't Fail You. Your Architecture Did.
Adding a second database was supposed to fix things. Now you manage sync, drift, and pipelines on top of queries that are still slow.
TimescaleDB extends Postgres instead. Hypertables, 95% compression, continuous aggregates. One database. No pipeline.
Other
news & articles you might like
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Critical Progress LoadMaster flaw now actively exploited in attacks
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Nearly 800 malicious npm packages deliver Cross-Platform RAT and infostealer
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UK's Royal Navy sea drones contain component that secretly sent data to China, report claims — government cuts camera connectivity and insists data wasn’t sensitive, only ‘heartbeat communications’
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Novel private APN pivot Let hackers sabotage second polish energy facility
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BTCPay emergency patch exposes merchant-side Bitcoin security risk
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North Korean hackers turn to AI as DPRK drives 66% of crypto hack losses
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Fake solidity Pro extensions Turn Trusted developer tooling into Credential-Stealing malware
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Payroll pirates abuse microsoft graph to Find HR and finance Staff after account compromise
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🛠️ Trending tools
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Perfai Security: an automated tool that scans AI-generated apps from Replit, Lovable, Cursor, and Claude Code for access control vulnerabilities, fixing them with a single prompt.
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Constellation Gate AI: routes AI agent traffic through a gateway that blocks prompt injections, scans for secrets, logs audit trails, and cuts token costs 20-40% via compression and caching.
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Lunen.ai: an AI automation tool that logs every action taken and requires approval on risky steps, giving teams usability without sacrificing oversight.
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qsa.sh: scans your server's public IP with naabu, nmap, and nuclei to reveal open ports, service versions, and known CVEs in about 30 seconds, no signup required.
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Claudoscope: a free macOS menu bar app that browses Claude Code session history, tracks token costs, scans for leaked secrets, and lints your CLAUDE.md config-100% local, MIT licensed.
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AI Courtroom: a replayable multi-agent simulation framework that traces how AI agents influence decisions through structured debate and jury deliberation.
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📚 Trending research papers
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Collaborative fraud and credit models trained across banks get a math guarantee that any participant secretly skewing results against a protected group automatically loses influence in proportion to its bias, while every bank still keeps some say, unlike rival methods that can zero out a participant entirely.
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MasterFace impersonation attacks show that anyone can buy the same public face-recognition API a company uses, then use a handful of specially crafted faces to beat its login checks far more often than random chance would predict, undermining a defense many systems assumed was safe.
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AI-generated decompiled code for IoT router firmware often recompiles successfully yet subtly rewrites internal logic like error checks, meaning passing tests alone can miss hidden vulnerabilities, so a nine-part quality score is needed to catch them.
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Security training data for AI defense agents now gets manufactured automatically by injecting real, verified bugs into 80 actual software projects, boosting bug-fixing accuracy by up to ~15 points.
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PDF reader security testing uses AI to chain together realistic sequences of software commands instead of testing them one at a time, finding 31 previously unknown vulnerabilities, including some allowing full remote takeover, across Adobe, Foxit, and PDF-XChange readers.
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Our AI Academy has 330+ step-by-step tutorials on ChatGPT, Claude, Perplexity, and every tool that matters. No fluff — just practical workflows you can use at work. Try it free for 7 days.
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