CVE-2026-107587

Published 8 October 2026 · tracked since 9 October 2026

Description

Improper certificate validation in the webmail of Progressive Robot hMailServer 6.3.2 through 6.3.5 allows a remote unauthenticated attacker to have S/MIME-encrypted mail that the account later sends to another correspondent also encrypted to the attacker's key. When its recipient opened a signed me

References

• NVD — National Vulnerability Database
• CVE.org record (MITRE)
• CISA Known Exploited Vulnerabilities catalog

Latest tracked vulnerabilities

• CVE-2026-14990 CRITICAL 9.3
• CVE-2026-107613 MEDIUM 5.9
• CVE-2026-107614 MEDIUM 6.1
• CVE-2026-107615 HIGH 7.8
• CVE-2026-107611 HIGH 7.1
• CVE-2026-107612 HIGH 7.8
• CVE-2026-103663
• CVE-2026-62127 MEDIUM 6.5
• CVE-2026-44033 MEDIUM 5.5
• CVE-2026-44036 MEDIUM 5.5

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