DualScope daily summaries

The security day: 2026-10-26

For 2026-10-26, DualScope reviewed 32 dated reports from 6 monitored publishers. The selected developments cover vulnerabilities & remediation, ai & security, ransomware & extortion, cloud, identity & saas, cybercrime & fraud. Priority reflects potential enterprise relevance; it is not a technical severity score or evidence of company exposure.

Reporting date October 26, 2026 · Published October 27, 2026

Vulnerabilities & remediation

CISA Adds Two Known Exploited Vulnerabilities to Catalog

CISA reports: CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog and updated the PHP Alert, Critical Vulnerabilities in PHP Require Immediate Patching: CVE-2026-109618 – PHP Memory Corruption Vulnerability CVE-2026-109619 – PHP Stale Internal Request-State Vulnerability These types of vulnerabilities are a frequent attack vector for malicious cyber actors and pose…

AI & Security

Former pentester used ARTEX AI to steal 8.2 million data records

BleepingComputer reports: South Korean police identified seven suspects linked to a cybercrime operation that breached more than 90 organizations in the country, with ARTEX AI pentesting framework used in most of the attacks.

Ransomware & Extortion

Attackers Use Microsoft Teams IT Support Scams to Deploy Malware and Ransomware

The Hacker News reports: Cybersecurity researchers are calling attention to what they say is a "recurring social engineering pattern" across hundreds of cases in which threat actors use Microsoft Teams' external chat creation feature to conduct impersonation scams or to deliver malware.

Cloud, Identity & SaaS

When an AI Agent Is the Incident, the Identity Record Is the Evidence

BleepingComputer reports: A new NIST, CISA, and NSA guide treats runaway agents as incidents to be rehearsed. The hard part of the response is answering whose authority the agent used, and that answer has to exist before the incident does.

Cybercrime & Fraud

Microsoft 365 Token-Replay Attacks Compromise 97 Accounts at 79 Organizations

The Hacker News reports: Cybersecurity researchers have disclosed a Microsoft 365 campaign that has been observed leveraging an adversary-in-the-middle (AitM) relay to capture sign-in sessions and then replay the stolen tokens to break into email accounts at 79 organizations.

Cybercrime & Fraud

Gheist Uses Stolen GitHub Tokens to Steal Private Repository Secrets via Actions Logs

The Hacker News reports: An automated campaign is using stolen GitHub tokens to plant workflows that print a repository's secrets into its GitHub Actions logs, which the attackers then download before deleting the runs. The attacks have succeeded in private repositories and GitHub Enterprise environments, according to an analysis by cloud security company Wiz.

Vulnerabilities & remediation

Critical 'HTTP2Shell' Brotli vulnerability triggers emergency patches

BleepingComputer reports: A critical flaw dubbed 'HTTP2Shell' in Brotli, the C decoder library built into Node.js, could allow attackers to corrupt memory and access sensitive data.

AI & Security

Texas sues OpenAI for deceiving consumers about safety, seeks sweeping reforms and fines

The Record reports: In an unusual move, the suit — brought under the state’s deceptive trade practices laws — seeks to hold founder and CEO Sam Altman personally liable for the alleged deception.