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CVE-2026-107583: hMailServer 6.3.2 to before 6.3.6
CVE-2026-107583. CVSS 3.1 base score 6.5 (MEDIUM, Vendor/CNA).
Affected technology
hMailServer · 6.3.2 to before 6.3.6
Progressive Robot Ltd
Description’s affected range: through 6.3.5
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · User interaction required
What an attacker can do
A remote unauthenticated attacker can make the webmail, the administration console and the REST API unavailable by sending a message. Vendor/CNA’s CVSS 3.1 assessment (base score 6.5/10) rates confidentiality and integrity impact as none; availability impact as high.
- CWE
- CWE-407
- CCR priority
- 26.0 /100 (P4)
- CVSS 3.1
- 6.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H · Vendor/CNA
- KEV
- no
Provenance
- GitHub Advisory Database · Source record · observed 2026-10-08 18:27:24.781324+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-08 17:32:11.049884+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-107583.html