CVE-2026-15933
Cleartext Storage of Sensitive Credentials in OptimiDoc Server (On-Premise)
Description
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
INFO
Published Date :
Sept. 3, 2026, 10:09 a.m.
Last Modified :
Sept. 3, 2026, 10:09 a.m.
Remotely Exploit :
Yes !
Source :
CERT-PL
Affected Products
The following products are affected by CVE-2026-15933
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | MEDIUM | 4bb8329e-dd38-46c1-aafb-9bf32bcb93c6 |
Solution
- Update OptimiDoc Server to version 26.08.
- Review all stored external service credentials.
- Change compromised credentials immediately.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-15933 vulnerability anywhere in the article.
-
cert.pl
Vulnerability in OptimiDoc Server (On-Premise) software
Vulnerability in OptimiDoc Server (On-Premise) software CVE ID CVE-2026-15933 Publication date 03 September 2026 Vendor OptimiDoc Product OptimiDoc Server Vulnerable versions All before 26.08 Vulnerab ... Read more