PT-2026-26335 · Openemr · Openemr

Lassiiiiii · Published 2026-03-19 · Updated 2026-03-23 · CVE-2026-33301

Positive Technologies (AI Summary)

CVSS v2.0

8.5

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:N

Name of the Vulnerable Software and Affected Versions OpenEMR versions prior to 8.0.0.2

Description OpenEMR is an electronic health records and medical practice management application. A file read issue exists in the PDF creation function when processing form answers as unescaped HTML. This allows an attacker to include arbitrary image files from the server in generated PDFs. The issue affects users with the Notes - my encounters role who can fill Eye Exam forms in patient encounters. The vulnerability is triggered when parsing form answers, potentially leading to unauthorized access to server files. The vulnerable function processes the form answers without proper sanitization.

Recommendations Update to OpenEMR version 8.0.0.2 or later.

Exploit

Fix

Improper Encoding or Escaping of Output

Weakness Enumeration

CWE-116

Related Identifiers

BDU:2026-05085

CVE-2026-33301

GHSA-V9V3-Q973-XP2H

Affected Products

Openemr

References · 8

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33301.json · Exploit
• https://github.com/openemr/openemr/security/advisories/GHSA-v9v3-q973-xp2h · Vendor Advisory
• https://github.com/openemr/openemr/commit/dccc962f06bdf6105ca85c277915167caf3e7c28 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-33301 · Security Note
• https://bdu.fstec.ru/vul/2026-05085 · Security Note
• https://osv.dev/vulnerability/CVE-2026-33301 · Vendor Advisory
• https://twitter.com/infoflowcloud/status/2035994068061155832 · Twitter Post
• https://twitter.com/CVEnew/status/2035992554924024117 · Twitter Post