WatchGuard Patches Critical Fireware OS Vulnerability That Could Allow Command Execution with Root Privileges

542/69 Friday, October 2, 2026 WatchGuard has released security updates for Fireware OS to address a total of 15 vulnerabilities. The most significant issue is CVE-2026-86131, which has a CVSS score of 9.2 and is a code injection vulnerability in the configuration handling of the BOVPN over TLS Client. The flaw could allow an attacker […]

ThaiCERT

October 2, 2026

Zimbra Vulnerability (CVE-2026-73570) Exploited to Deploy Web Shells and Steal Sensitive Data

541/69 Friday, October 2, 2026 Security researchers from Microsoft have detected attacks exploiting CVE-2026-73570 in Zimbra Collaboration Suite (ZCS), affecting organizations across multiple industries. The vulnerability has a severity score of 8.9 and can allow unauthenticated attackers to execute operating system commands when the server has SNMP notifications enabled and the zimbra-snmp package installed. The […]

ThaiCERT

October 2, 2026

TeamViewer Full Client and Host Vulnerabilities Could Allow Command Execution and Privilege Escalation

540/69 Thursday, October 1, 2026 TeamViewer has released security updates to address five High-severity vulnerabilities in TeamViewer Full Client and Host on Windows, Linux, and macOS. The most severe vulnerability is CVE-2026-92370, with a CVSS score of 8.8, caused by improper permission controls during remote sessions. The flaw could allow an attacker to bypass user-defined […]

ThaiCERT

October 1, 2026

ANSSI Discloses Tax Data Theft After Stolen Staff Passwords Enabled Undetected Access for Seven Weeks

539/69 Thursday, October 1, 2026 France’s national cybersecurity agency, ANSSI, has published a report on a cyberattack targeting the Direction générale des Finances publiques (DGFIP), the French tax administration responsible for the impots.gouv.fr website. Attackers used stolen staff passwords to gain access to systems and exfiltrate tax-related data belonging to individuals and businesses between June […]

ThaiCERT

October 1, 2026

Researchers Find AI Email Summarization Systems Can Be Manipulated into Distorting Information Through Fabricated Content

538/69 Thursday, October 1, 2026 Researchers from Forcepoint X-Labs have disclosed a new technique for manipulating AI systems used to summarize email content. The research found that attackers can cause AI-generated summaries to contain inaccurate information by inserting fabricated content into an email thread, without relying on hidden text or directly injecting instructions intended to […]

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October 1, 2026

CoreGraphics Vulnerability in Apple Devices Could Allow Code Execution

537/69 Wednesday, September 30, 2026 Apple has released security updates to address CVE-2026-86950, an out-of-bounds write vulnerability in the CoreGraphics component. Processing a specially crafted file could lead to code execution on an affected device. Apple stated that it received a report indicating the vulnerability may have been exploited in an extremely sophisticated attack against […]

ThaiCERT

September 30, 2026

Infostealers Target Enterprise AI Accounts, Exposing Sessions, API Keys, and Sensitive Data

536/69 Wednesday, September 30, 2026 SOCRadar has released an analysis of stealer log data collected over the past 90 days, identifying 482 organizations with exposed AI accounts or credentials. Of these, 295 organizations appeared in logs that remained active during the same period, indicating that many of the risks were linked to recent activity rather […]

ThaiCERT

September 30, 2026

Japan’s Keio Hit by Ransomware Attack, While Tokyo Metro Reports Email Data Breach

535/69 Wednesday, September 30, 2026 Keio Corporation, a major private railway and hotel operator in Japan, confirmed that it was hit by a ransomware attack on the morning of September 26, 2026, prompting the company to shut down parts of its network to prevent further damage. Over the same weekend, Tokyo Metro, another major Japanese […]

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September 30, 2026

x47.c Windows Botnet Uses Grok to Maintain Persistence and Features AI API Drain Capability

534/69 Monday, September 28, 2026 Qrator Research Labs has disclosed the discovery of x47.c, a Windows botnet being advertised with multiple capabilities, including DDoS attacks, credential theft, SOCKS5 proxy creation, and an AI API Drain feature designed to consume credits or generate charges on AI service accounts. The botnet also includes an AI Stealth module […]

ThaiCERT

September 28, 2026

OpenAI Discloses Incident Where AI Agents Accidentally Uploaded User-Provided Images to External Websites

533/69 Monday, September 28, 2026 OpenAI confirmed that it is aware of a security incident in which AI agents unintentionally uploaded user-provided images to third-party image-hosting services. The company stated that the vast majority of users were not affected. An initial investigation identified 53 cases in which images were posted as links on image-hosting websites […]

ThaiCERT

September 28, 2026
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