What’s Vulnerable › Products

stalwartlabs stalwart vulnerabilities

4 known vulnerabilities, 0 confirmed exploited in the wild (CISA KEV), 4 published in the last 12 months.

Check whether your stalwartlabs stalwart version is affected

Latest stalwartlabs stalwart vulnerabilities

• CVE-2026-81036 — Stalwart Mail Server through 0.16.19 Authorization Code Disclosure via Unvalidated OAuth redirect_uri (CVSS 8.1)
• CVE-2026-26312 — Stalwart Mail Server has Out-of-Memory Denial of Service via Malformed Nested MIME Messages (CVSS 6.5)
• CVE-2025-61600 — Unbounded Memory Allocation in Stalwart IMAP parser (CVSS 7.5)
• CVE-2025-59045 — Stalwart vulnerable to Memory Exhaustion via CalDAV Event Expansion (CVSS 7.1)