The Hack Sheet #001

Monday, October 26, 2026 · 9 stories

  1. Security Electrum 4.8.3 fixes fee-bump transaction swap

    Malicious servers swapped just-sent transactions for look-alikes paying an attacker, with addresses ground to match the last 4 characters. Bumping the fee signed the fake. One confirmed loss. Update and check full addresses.

    source: x.com/wirelesslyhere

  2. Security Coding agents trust AGENTS.md files in the working directory

    Don't launch an agent in Downloads or a fresh clone before reading its instruction files, and approve package installs and global config edits step by step.

    source: x.com/TheHackersNews

  3. Security Gheist campaign deletes GitHub Actions runs to hide tracks

    Stream your GitHub audit log off-platform, keep workflow scope off tokens, require review for .github/workflows changes, and prefer OIDC over long-lived secrets.

    source: x.com/TheHackersNews

  4. Security Microsoft Authenticator for Android: CVE-2026-80097

    Enclave showed a zero-permission app could pose as Teams and obtain work-account tokens for mail, files and calendar. Fixed in 6.2606.4246; confirm fleet deployment.

    source: enclave.ai

  5. IT Tailscale acknowledges Tailworm report

    VP of Engineering says fixes are in progress. No bulletin, CVE or fixed release yet. Tighten Tailscale SSH rules and forwarding meanwhile.

    source: x.com/wirelesslyhere

  6. Crypto Foundation Passport owners hit by fake recall emails

    Sent from Foundation's real domains via stolen Cloudflare API keys, with real names and order details. Keys revoked; devices and funds unaffected. No recall ever asks for a seed phrase.

    source: crypto.news

  7. Crypto Strategy pauses BTC buys, buys back ~$205M of STRC

    Capital going into its own funding stack, not a call on BTC by itself. One paused week isn't a trend.

    source: x.com/Cointelegraph

  8. Crypto OCC opens the door to community-bank stablecoins

    Issuing is easy; 24/7 redemptions, key custody and on-chain monitoring on batch-era core banking is hard. Expect vendors, and vendor risk.

    source: x.com/Cointelegraph

  9. Gaming PS5 exploit sold for a $50K bounty instead of a public drop

    With GTA 6 reportedly needing recent firmware on Nov 19, most players were updating anyway.

    source: x.com/IGN

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