CVE-2025-15581

NONECVSS 0.0

0.0

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 v3: —
EG Score: 0.0(none)
EPSS: 14.2%
KEV: Not listed

Published

February 18, 2026

Last Modified

April 15, 2026

References (4)

ab69c47f-b95e-4bf2-b2d9-4b1fd1b24b4ahttps://discourse.orthanc-server.org/t/orthanc-1-12-10/6326
ab69c47f-b95e-4bf2-b2d9-4b1fd1b24b4ahttps://orthanc.uclouvain.be/bugs/show_bug.cgi?id=252
ab69c47f-b95e-4bf2-b2d9-4b1fd1b24b4ahttps://projectblack.io/blog/orthanc-1-12-9-user-impersonation/#exploitation
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2026/02/msg00033.html

Data Freshness Timeline

(refreshed 20× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

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Frequently asked(4)

What is CVE-2025-15581?

CVE-2025-15581 is a none vulnerability published on February 18, 2026. 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.

When was CVE-2025-15581 disclosed?

CVE-2025-15581 was first published in the National Vulnerability Database on February 18, 2026, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-15581 actively exploited?

CVE-2025-15581 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 14.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2025-15581?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-15581, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2025-15581

📅 Published

🔄 Last Modified

🔗 References (4)