Progress Software has fixed a slew of high-severity vulnerabilities in MOVEit WAF and LoadMaster, including a flaw (CVE-2026-21876) that may allow attackers to bypass firewall detection. MOVEit WAF (web application firewall) is designed to protect Progress’s managed file transfer platform MOVEit Transfer from web-based attacks. (A zero-day vulnerability in MOVEit Transfer was infamously exploited in 2023 by the Cl0p cyber extortion gang to grab data from hundreds of organizations.) LoadMaster is the company’s general-purpose enterprise … More
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