Is there a public exploit for CVE-2026-126427?

No public exploit for CVE-2026-126427 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-2026-126427?

CVE-2026-126427 scores CVSS 4.3 (v4.0), rated medium.

What does CVE-2026-126427 affect?

CVE-2026-126427 affects OpenEMR OpenEMR.

4.3 Medium

OpenEMR before 8.5.0 contains a session expiration vulnerability that prevents automatic logoff because the Eye Exam form's read-only poll…

CVE-2026-126427

OpenEMR before 8.5.0 contains a session expiration vulnerability that prevents automatic logoff because the Eye Exam form's read-only poll omits skiptimeoutreset. Attackers with physical access to an unattended workstation can use the still-active session to view patient health information, since updateREADONLY() resets the idle timer every 15 seconds.

Assessment

CVSS: 4.3 (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:P/AC:H/AT:P/PR:N/UI:P/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

At the source

EUVD (ENISA)

References

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