stalwartlabs Stalwart Vulnerabilities

Stalwartlabs Stalwart vulnerabilities.

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19 February 2026

Denial-of-Service Vulnerability in Stalwart Mail Server by Stalwart Labs
CVE-2026-26312
StalwartlabsStalwart6.5MEDIUM

2 October 2025

Unbounded Memory Allocation Vulnerability in Stalwart Mail Server
CVE-2025-61600
StalwartlabsStalwart7.5HIGH

10 September 2025

Memory Exhaustion Vulnerability in Stalwart Mail and Collaboration Server
CVE-2025-59045
StalwartlabsStalwart7.1HIGH