Exploitation Hits Rejetto HFS Vulnerability Discovered by AI
Summary
Exploitation is underway for the Rejetto HTTP File Server (HFS) vulnerability, identified as CVE-2026-61500. Attackers can leverage this flaw to recover the session-cookie signing key, enabling them to gain administrative access and achieve remote code execution (RCE).
IFF Assessment
FOE
This vulnerability allows attackers to gain administrative access and execute arbitrary code, posing a significant threat to affected systems.
Severity
9.8
Critical
Defender Context
Defenders should prioritize patching or mitigating systems running Rejetto HFS, as this vulnerability is actively being exploited. The discovery of this flaw by AI highlights the growing role of AI in both identifying and potentially exploiting security weaknesses.