CVE-2025-15581_CVE-2025-15581

4.7 / 10

MEDIUM

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

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.

Basic Information

ID CVE-2025-15581

Source PRJBLK

Published Feb 18, 2026 at 22:59

Modified Feb 18, 2026 at 23:03

Affected Product

Vendor orthanc-server

Product orthanc

Affected Versions orthanc-server orthanc 0

CWE Classification

CWE-287

References

{
    "lastseen": "",
    "description": "Orthanc versions before 1.12.10 are affected by an authorisation logic flaw in the application's\u00a0HTTP Basic Authentication implementation. \n\nSuccessful exploitation could result in Privilege Escalation, potentially allowing full administrative access.",
    "published": "2026-02-18T22:59:55.491Z",
    "modified": "2026-02-18T23:03:54.596Z",
    "type": "cve",
    "title": "CVE-2025-15581",
    "source": "PRJBLK",
    "references": "https://projectblack.io/blog/orthanc-1-12-9-user-impersonation/#exploitation\nhttps://discourse.orthanc-server.org/t/orthanc-1-12-10/6326\nhttps://orthanc.uclouvain.be/bugs/show_bug.cgi?id=252",
    "id": "CVE-2025-15581",
    "bulletinFamily": "",
    "cwe": [
        "CWE-287"
    ],
    "cvelist": null,
    "sourceData": "orthanc-server orthanc 0",
    "sourceHref": "",
    "cvss": {
        "score": 4.7,
        "severity": "MEDIUM",
        "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",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "orthanc",
    "version": "0",
    "vendor": "orthanc-server",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}