CVE-2026-15933: Optimidoc Server

Medium severity, CVSS 6.9. EPSS: 0.4% chance of exploitation in the next 30 days.

OptimiDoc Server (On-Premise) stores credentials for external services in cleartext. An authenticated administrator can view previously configured service passwords, including SMTP, FTP (for scan delivery), Active Directory (for user list import), and SharePoint credentials, in cleartext via the web administration panel page source, allowing exposure of sensitive third-party authentication data. This issue was fixed in version 26.08

Affected products

• Optimidoc Optimidoc Server: before 26.08 (fixed in 26.08)

Published 2026-09-03. Last modified 2026-09-08.