This weekly threat intelligence bulletin covers multiple active ransomware campaigns, four critical vulnerabilities under active exploitation, and emerging AI-driven threats. Notable items include actively exploited RCE flaws in Oracle E-Business Suite and Progress Kemp LoadMaster, a Citrix NetScaler memory disclosure flaw exploited within 24 hours of disclosure, a North Korean supply-chain campaign (PolinRider) deploying 108 malicious packages, and a proof-of-concept browser-native ransomware generated by an LLM abusing Chrome's File System Access API.
Information Disclosure
3 posts
6th July – Threat Intelligence Report Please, We Beg, Just One Weekend Free Of Appliances (Citrix NetScaler CVE-2026-3055 Memory Overread Part 2) A second memory overread vulnerability has been identified in Citrix NetScaler appliances under CVE-2026-3055, affecting the '/wsfed/passive?wctx' endpoint. By sending a specially crafted GET request with an empty 'wctx' parameter, attackers can force the appliance to leak sensitive memory, including administrative session IDs, via the 'NSC_TASS' cookie. Active in-the-wild exploitation has been observed since late March.
CISA Adds One Known Exploited Vulnerability to Catalog CISA has added CVE-2025-47813, an information disclosure vulnerability in Wing FTP Server, to its Known Exploited Vulnerabilities (KEV) Catalog due to evidence of active exploitation. All organizations are strongly urged to prioritize timely remediation of this vulnerability to reduce exposure to cyberattacks.