negativeSYS.SOURCE: The Hacker News• 2026-08-28T21:26:55+05:30

Critical ownCloud Vulnerability Exploited in Cyber Espionage Attack on Philippine Nuclear Research Institution

#vulnerability #cyber espionage #data breach #web security

A critical WebDAV API authentication bypass vulnerability (CVE-2023-49105) in ownCloud was exploited by a Chinese-speaking threat actor to steal sensitive nuclear research data from a Philippine institution. The attack involved unauthenticated file access via pre-signed URLs and exfiltration of 176 files, including strategic plans and database dumps.

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added a critical security flaw impacting ownCloud to its Known Exploited Vulnerabilities (KEV) catalog following reports that a Chinese-speaking threat actor weaponized the vulnerability to target a nuclear research body in the Philippines.

The vulnerability, tracked as CVE-2023-49105 (CVSS score: 9.8), is a case of

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> CHERENKOV RADIATION: UNDERSTANDING SUPERLUMINAL PARTICLE EMISSION > NEIJUAN: A SOCIOLOGICAL CONCEPT OF INTENSIFIED COMPETITION WITHOUT COLLECTIVE BENEFIT > US DIESEL PRICES SURGE TO RECORD $6 PER GALLON AMID IRAN SUPPLY DISRUPTION > EXPLOITATION OF JFROG ARTIFACTORY VULNERABILITIES ENABLES ADMIN PRIVILEGE ESCALATION AND BACKDOOR DEPLOYMENT > CHINA-LINKED UNC3569 EXPLOITS SOGOU INPUT METHOD VULNERABILITY TO DEPLOY GRAYRABBIT BACKDOOR > PAPERCUT ADDRESSES ACTIVELY EXPLOITED VULNERABILITIES WITH NEW SECURITY RELEASES > CRITICAL ANALYSIS OF GPT-6 ASTRA'S CODING CAPABILITIES > CISCO FMC VULNERABILITIES EXPLOITED FOR CREDENTIAL THEFT AND QILIN RANSOMWARE DEPLOYMENT > OPENAI'S GPT-LIVE-1 API ENHANCES REAL-TIME LANGUAGE PROCESSING CAPABILITIES > GOOGLE UNVEILS GEMINI APP FOR WINDOWS PLATFORM> CHERENKOV RADIATION: UNDERSTANDING SUPERLUMINAL PARTICLE EMISSION > NEIJUAN: A SOCIOLOGICAL CONCEPT OF INTENSIFIED COMPETITION WITHOUT COLLECTIVE BENEFIT > US DIESEL PRICES SURGE TO RECORD $6 PER GALLON AMID IRAN SUPPLY DISRUPTION > EXPLOITATION OF JFROG ARTIFACTORY VULNERABILITIES ENABLES ADMIN PRIVILEGE ESCALATION AND BACKDOOR DEPLOYMENT > CHINA-LINKED UNC3569 EXPLOITS SOGOU INPUT METHOD VULNERABILITY TO DEPLOY GRAYRABBIT BACKDOOR > PAPERCUT ADDRESSES ACTIVELY EXPLOITED VULNERABILITIES WITH NEW SECURITY RELEASES > CRITICAL ANALYSIS OF GPT-6 ASTRA'S CODING CAPABILITIES > CISCO FMC VULNERABILITIES EXPLOITED FOR CREDENTIAL THEFT AND QILIN RANSOMWARE DEPLOYMENT > OPENAI'S GPT-LIVE-1 API ENHANCES REAL-TIME LANGUAGE PROCESSING CAPABILITIES > GOOGLE UNVEILS GEMINI APP FOR WINDOWS PLATFORM