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Critical SEPPmail Gateway Flaws Allow Remote Code Execution and Mail Traffic Theft

📅 19 May 2026 at 10:29 UTC📰 Cyber Security NewsView original source ↗
Critical SEPPmail Gateway Flaws Allow Remote Code Execution and Mail Traffic Theft

Critical vulnerabilities in the SEPPmail Secure Email Gateway have exposed organizations to remote code execution (RCE) and potential interception of sensitive email traffic. Researchers uncovered several high-impact flaws affecting SEPPmail appliances, widely deployed across the DACH region. The most severe issues include: These vulnerabilities affect versions before the patched releases in the 15.x branch. SEPPmail […] The post Critical SEPPmail Gateway Flaws Allow Remote Code Execution and Mail Traffic Theft appeared first on Cyber Security News.

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