The Hack Sheet #003

Wednesday, October 28, 2026 · 8 stories

  1. Security CISA confirms active exploitation of Node2Shell Brotli flaw

    CVE-2026-111497, the Brotli decompression bug behind yesterday's emergency patches, is now on CISA's Known Exploited Vulnerabilities list. Wiz says 91% of cloud environments have vulnerable resources, so patch Node.js, Python and .NET runtimes now.

    source: bleepingcomputer.com

  2. Security China-linked hackers chain PHP2Shell with a kernel bug to root PAN-OS firewalls

    Attackers pair CVE-2026-109618/109619 with the Fragnesia kernel flaw (CVE-2026-46300) for root on Palo Alto firewalls; researchers found about 19,000 exposed devices and root webshells on 24. Patch and pull management interfaces off the internet.

    source: securityweek.com

  3. Security Magento PolyShell upload flaw lands on CISA's KEV list after 953 stores infected

    Sansec counts 953 compromised Adobe Commerce/Magento stores via CVE-2026-48356. Store owners should patch and check for planted skimmers and unexpected uploaded files.

    source: securityaffairs.com

  4. IT Microsoft and Apple distrust compromised eMudhra CA certificates

    Major OS vendors are pulling trust for the affected eMudhra certificates, but Linux distro, Homebrew and Python certifi trust bundles may lag. Update CA bundles on servers and build images.

    source: isc.sans.edu

  5. IT Microsoft Authenticator for Android leaked auth tokens to other apps

    CVE-2026-80097 let a malicious app on the same phone obtain Authenticator's tokens. It's fixed in version 6.2606.4246; make sure managed Android fleets are updated.

    source: enclave.ai

  6. Crypto Predict.fun users lose $398K to owner-key drains

    About 166.8 ETH went to Tornado Cash after owner keys were used to drain user funds. The team blames a hacked API docs site and promises refunds.

    source: bitquery.io

  7. Crypto Bitcoin DEX On Nexus loses 8.5 BTC through a legacy V1 signer bug

    The former DotSwap lost about $685K via a deprecated signature path that was still live. A reminder to fully shut down old infrastructure, not just stop advertising it.

    source: kucoin.com

  8. Gaming Warhorse Studios hit by a cyberattack

    The Kingdom Come: Deliverance studio confirmed a cybersecurity incident but hasn't said what was affected. Watch for phishing that uses the news as a lure.

    source: gamedeveloper.com

// tool_of_the_day

OSV-Scanner · Apache-2.0 license

OSV-Scanner, from Google, checks your project's dependencies, lockfiles and container images against the open OSV vulnerability database and tells you which packages need updating. It's for developers and security teams who want a free way to catch issues like this week's Brotli flaw in their own code.

Verified Oct 28, 2026: repo loads, actively maintained (last push Oct 28), Apache-2.0.

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