Detections
Analytics

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.

References

https://projectblack.io/blog/orthanc-1-12-9-user-impersonation/#exploitation

https://orthanc.uclouvain.be/bugs/show_bug.cgi?id=252

https://discourse.orthanc-server.org/t/orthanc-1-12-10/6326

Details

Source: Mitre, NVD

Published: 2026-02-18

Updated: 2026-02-19

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

CVSS v4

Base Score: 5.7

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

Severity: Medium