CVE-2026-10528: Orthanc DICOM Server · Stack-based Buffer Overflow
Affects Orthanc DICOM ServerSource CVE Database V5
Public exploit available · CVSS 4.8 Medium.
Data as of 30 Oct 2026, 11:52 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:PExploitation evidence
Disclosed: evidence found.
CVE published 2 Jun 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: evidence found.
CVSS exploit maturity: proof of concept public
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| OrthancDICOM Server | Affected
| Fixed in– |
CPE configurations (1)
cpe:2.3:a:orthanc:dicom_server:*:*:*:*:*:*:*:*
AI-suggested
A patch identified by commit bae99026ca97 is recommended to fix this vulnerability. Deploying this patch will remediate the stack-based buffer overflow issue. Since the vulnerability requires local access, restricting local user privileges can also reduce risk. Patch status is not explicitly confirmed in the vendor advisory; verify patch availability and deployment guidance from the official Orthanc project resources.
Description
A stack-based buffer overflow vulnerability exists in Orthanc DICOM Server versions 1.12.0 through 1.12.11 in the DcmItem::read function of the DCMTK Parser component. This flaw requires local attacker privileges to exploit and can cause memory corruption. A patch identified by commit bae99026ca97 is recommended to fix the issue. The vulnerability has a medium severity rating with a CVSS score of 4.8.
References
- vuldb.com/vuln/367636 (opens in a new tab)
- vuldb.com/vuln/367636/cti (opens in a new tab)
- vuldb.com/cve/CVE-2026-10528 (opens in a new tab)
- vuldb.com/submit/820766 (opens in a new tab)
- orthanc.uclouvain.be/bugs/show_bug.cgi?id=258 (opens in a new tab)
- orthanc.uclouvain.be/bugs/show_bug.cgi?id=258 (opens in a new tab)
- orthanc.uclouvain.be/bugs/attachment.cgi?id=150 (opens in a new tab)
- orthanc.uclouvain.be/hg/orthanc/rev/bae99026ca97 (opens in a new tab)