CVE-2025-15581
Medium
Description
Orthanc versions before 1.12.10 are affected by an authorisation logic flaw in the application's HTTP Basic Authentication implementation. Successful exploitation could result in Privilege Escalation, potentially allowing full administrative access.
SeverityMedium
CVSS4.7
Exploit probability—
ProductOrthanc
PublishedFeb 18, 2026
First seenFeb 18, 2026
Weakness typeCWE-287Improper authentication
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| orthanc-server orthanc | v ≤ 1.12.9 | — |
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