Is there a public exploit for CVE-2026-126438?

No public exploit for CVE-2026-126438 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-126438?

CVE-2026-126438 scores CVSS 5.3 (v4.0), rated medium.

What does CVE-2026-126438 affect?

CVE-2026-126438 affects OpenEMR OpenEMR.

5.3 Medium

OpenEMR before 8.5.0 contains an improper authorization vulnerability in interface/patientfile/rules/patientdata.php that allows read-only…

CVE-2026-126438

OpenEMR before 8.5.0 contains an improper authorization vulnerability in interface/patientfile/rules/patientdata.php that allows read-only patients/med users to modify clinical-rule records. Attackers can submit a global formentryID row ID to overwrite completion date, state, and result, including records of patients outside their configured squad.

Assessment

CVSS: 5.3 (v4.0)
Severity: Medium
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 13 November 2026
Last updated: 13 November 2026
Affected: OpenEMR · OpenEMR
Assigner: VulnCheck

CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

At the source

EUVD (ENISA)

References

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