Name: CVE-2025-15581: Improper Authentication
Creator: Rapid7
Published: 2026-02-18T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2025-15581, CVSS 4.7, EPSS 0.00024

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.

CVSS Details

CVSS 4.0 Base Score: 4.7 (MEDIUM)
CVSS 4.0 Vector: (CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade orthanc	Mar 2, 2026	Mar 2, 2026

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CVSS Details

Covered by Rapid7

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