OpenEMR before 8.3.0 IDOR via DICOM library/ajax/upload.php Endpoint
Affects OpenEMR before 8.3.0, where any authenticated user, including low-privilege non-clinical roles, can reach stored document content for any patient. Fixed in 8.3.0.
Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.
- Exploited
- No known exploitation
- Fix
- Fixed in 8.3.0
- Who is exposed
- Specific setups only
Do first: Check whether your setup matches what the bug needs. OpenEMR versions before 8.3.0
- Last modified
- A 0-100 score for how much a CVE matters across the industry: exploitation, exposure, how widely the software is used, severity and whether a fix exists.What do these mean? →
- 17/100 · provisional
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Specific setups only
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
OpenEMR before 8.3.0 contains a missing authorization vulnerability in library/ajax/upload.php that allows any authenticated user to read and overwrite document data by supplying an arbitrary doc_id. Low-privilege users can enumerate doc_id values with the fetch and save actions to disclose patient health information and tamper with medical records across all patients.
cve.now Index
- Exploitation?/40Unknown. No CISA SSVC exploitation rating yet
- Exposure8/25Specific setups only, reachable over the network
- Reach?/20Unknown. No tracked technology or package matched
- Severity8.6/10CVSS 8.6
- No patch0/5No signal
What would change the score
- Would score about 67 if added to CISA KEV
- Would score about 62 if CISA's SSVC rates exploitation active
- Would score about 24 if CISA's SSVC rates it automatable
What to do
Check whether your setup matches what the bug needs.
OpenEMR versions before 8.3.0Upgrade to a fixed version: 8.3.0.
Timeline
- CVE published
- First seen by cve.now
Affected versions
- openemr openemr
fixed in 8.3.0
Evidence 2
- Advisory
- Link
Corrections
None so far.
Something wrong on this page? Report an error. Every fix is listed here.
Questions about CVE-2026-124461
Is CVE-2026-124461 being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data
What does this mean?
The DICOM upload endpoint library/ajax/upload.php does not check authorization when it reads or writes documents by ID. Any logged-in user can read or overwrite stored document content for any patient, which discloses patient health information and allows medical records to be altered.Source: vulncheck.com, github.com
Which versions are affected by CVE-2026-124461?
openemr: before 8.3.0.Source: cve.now feed data
Am I affected, and how do I check?
OpenEMR versions before 8.3.0 are in the affected range. To check an installation, compare its OpenEMR version against 8.3.0, which is the first fixed release.Source: vulncheck.com, github.com
How do I fix CVE-2026-124461?
Upgrade OpenEMR to 8.3.0 or later. No workaround is listed in the facts.Source: vulncheck.com, github.com