Vulnerability in Stormshield Network Security Allows DoS Attacks

📌 A vulnerability was discovered in Stormshield Network Security (SNS) on 22 May 2026, allowing a remote attacker to trigger a denial-of-service (DoS) condition. The flaw affects Stormshield’s network security solutions, though no specific versions, CVE identifier, or technical details about the attack vector were provided. The impact is limited to service disruption, with no mention of remote code execution or privilege escalation. The advisory was published by France’s national cybersecurity agency (ANSSI) via its CERT-FR team. No mitigation steps or patches were explicitly stated in the notice.