CVE-2026-33934

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Source

https://cve.org/CVERecord?id=CVE-2026-33934

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-33934.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-33934

Aliases

GHSA-w9w5-7x6h-657q

Published

2026-03-25T23:41:51.601Z

Modified

2026-04-10T05:42:58.566080Z

Severity

4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS Calculator

Summary

OpenEMR's Missing Authorization in show-signature.php Allows Portal Patients to Read Staff Signatures

Details

OpenEMR is a free and open source electronic health records and medical practice management application. Versions prior to 8.0.0.3 have a missing authorization check in portal/sign/lib/show-signature.php that allows any authenticated patient portal user to retrieve the drawn signature image of any staff member by supplying an arbitrary user value in the POST body. The companion write endpoint (save-signature.php) was already hardened against this same issue, but the read endpoint was not updated to match. Version 8.0.0.3 patches the issue.

Database specific

{
    "cwe_ids": [
        "CWE-639",
        "CWE-862"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33934.json",
    "cna_assigner": "GitHub_M"
}

References

Affected packages

Git / github.com/openemr/openemr

Affected ranges

Type

GIT

Repo

https://github.com/openemr/openemr

Events

Introduced

Fixed

7c96c8eefe460d6fadbccbe93d0fa6bf819acd69

Database specific

{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "8.0.0.3"
        }
    ]
}

Affected versions

Other

v2_7_2

v2_7_2-rc1

v2_7_2-rc2

v2_7_3-rc1

v2_8_0

v2_8_1

v2_8_2

v2_8_3

v2_9_0

v3_0_0

v3_0_1

v8_0_0

v8_0_0_1

v8_0_0_2

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-33934.json"