CVE-2026-34055 (GCVE-0-2026-34055)
Vulnerability from cvelistv5 – Published: 2026-03-25 23:49 – Updated: 2026-03-26 14:22
VLAI
EPSS
VEX
Title
OpenEMR has IDOR in Patient Notes Web UI allows unauthorized note access/modification
Summary
OpenEMR is a free and open source electronic health records and medical practice management application. Prior to version 8.0.0.3, the legacy patient notes functions in `library/pnotes.inc.php` perform updates and deletes using `WHERE id = ?` without verifying that the note belongs to a patient the user is authorized to access. Multiple web UI callers pass user-controlled note IDs directly to these functions. This is the same class of vulnerability as CVE-2026-25745 (REST API IDOR), but affects the web UI code paths. Version 8.0.0.3 patches the issue.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-26 14:22 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/openemr/openemr/security/advis… | x_refsource_CONFIRM |
| https://github.com/openemr/openemr/commit/214c9b4… | x_refsource_MISC |
| https://github.com/openemr/openemr/releases/tag/v… | x_refsource_MISC |
Impacted products
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-34055",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-03-26T14:22:36.218221Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-03-26T14:22:43.312Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "openemr",
"vendor": "openemr",
"versions": [
{
"status": "affected",
"version": "\u003c 8.0.0.3"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "OpenEMR is a free and open source electronic health records and medical practice management application. Prior to version 8.0.0.3, the legacy patient notes functions in `library/pnotes.inc.php` perform updates and deletes using `WHERE id = ?` without verifying that the note belongs to a patient the user is authorized to access. Multiple web UI callers pass user-controlled note IDs directly to these functions. This is the same class of vulnerability as CVE-2026-25745 (REST API IDOR), but affects the web UI code paths. Version 8.0.0.3 patches the issue."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-639",
"description": "CWE-639: Authorization Bypass Through User-Controlled Key",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-03-25T23:49:06.009Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/openemr/openemr/security/advisories/GHSA-8gj5-r8vm-mghq",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/openemr/openemr/security/advisories/GHSA-8gj5-r8vm-mghq"
},
{
"name": "https://github.com/openemr/openemr/commit/214c9b4585a6f1c8c22750172d47f0e258fec0bf",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/openemr/openemr/commit/214c9b4585a6f1c8c22750172d47f0e258fec0bf"
},
{
"name": "https://github.com/openemr/openemr/releases/tag/v8_0_0_3",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/openemr/openemr/releases/tag/v8_0_0_3"
}
],
"source": {
"advisory": "GHSA-8gj5-r8vm-mghq",
"discovery": "UNKNOWN"
},
"title": "OpenEMR has IDOR in Patient Notes Web UI allows unauthorized note access/modification"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-34055",
"datePublished": "2026-03-25T23:49:06.009Z",
"dateReserved": "2026-03-25T15:29:04.746Z",
"dateUpdated": "2026-03-26T14:22:43.312Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-34055",
"date": "2026-09-18",
"epss": "0.00267",
"percentile": "0.19123"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"product": "openemr",
"vendor": "openemr",
"versions": [
{
"status": "affected",
"version": "\u003c 8.0.0.3"
}
]
}
],
"source": "security-advisories@github.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:open-emr:openemr:*:*:*:*:*:*:*:*",
"matchCriteriaId": "E3E098AF-42A1-4798-85A7-80052F19F809",
"versionEndExcluding": "8.0.0.3",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "OpenEMR is a free and open source electronic health records and medical practice management application. Prior to version 8.0.0.3, the legacy patient notes functions in `library/pnotes.inc.php` perform updates and deletes using `WHERE id = ?` without verifying that the note belongs to a patient the user is authorized to access. Multiple web UI callers pass user-controlled note IDs directly to these functions. This is the same class of vulnerability as CVE-2026-25745 (REST API IDOR), but affects the web UI code paths. Version 8.0.0.3 patches the issue."
},
{
"lang": "es",
"value": "OpenEMR es una aplicaci\u00f3n gratuita y de c\u00f3digo abierto de registros de salud electr\u00f3nicos y gesti\u00f3n de consultorios m\u00e9dicos. Antes de la versi\u00f3n 8.0.0.3, las funciones heredadas de notas de paciente en \u0027biblioteca/pnotes.inc.php\u0027 realizan actualizaciones y eliminaciones usando \u0027WHERE id = ?\u0027 sin verificar que la nota pertenece a un paciente al que el usuario est\u00e1 autorizado a acceder. M\u00faltiples llamadores de la interfaz de usuario web pasan IDs de notas controlados por el usuario directamente a estas funciones. Esta es la misma clase de vulnerabilidad que CVE-2026-25745 (IDOR de la API REST), pero afecta las rutas de c\u00f3digo de la interfaz de usuario web. La versi\u00f3n 8.0.0.3 corrige el problema."
}
],
"id": "CVE-2026-34055",
"lastModified": "2026-06-17T10:38:29.543",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 5.2,
"source": "security-advisories@github.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 6.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 3.4,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-34055",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-03-26T14:22:36.218221Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-03-26T00:16:41.227",
"references": [
{
"source": "security-advisories@github.com",
"tags": [
"Patch"
],
"url": "https://github.com/openemr/openemr/commit/214c9b4585a6f1c8c22750172d47f0e258fec0bf"
},
{
"source": "security-advisories@github.com",
"tags": [
"Product"
],
"url": "https://github.com/openemr/openemr/releases/tag/v8_0_0_3"
},
{
"source": "security-advisories@github.com",
"tags": [
"Vendor Advisory"
],
"url": "https://github.com/openemr/openemr/security/advisories/GHSA-8gj5-r8vm-mghq"
}
],
"sourceIdentifier": "security-advisories@github.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-639"
}
],
"source": "security-advisories@github.com",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-03-27T04:59:23+00:00",
"cve": "CVE-2026-34055",
"id": "CVE-2026-34055",
"initial_release_date": "2026-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "OpenEMR has IDOR in Patient Notes Web UI allows unauthorized note access/modification",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34055.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-34055",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-03-26T14:22:36.218221Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-03-26T14:22:39.666Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "openemr",
"vendor": "openemr",
"versions": [
{
"status": "affected",
"version": "\u003c 8.0.0.3"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "OpenEMR is a free and open source electronic health records and medical practice management application. Prior to version 8.0.0.3, the legacy patient notes functions in `library/pnotes.inc.php` perform updates and deletes using `WHERE id = ?` without verifying that the note belongs to a patient the user is authorized to access. Multiple web UI callers pass user-controlled note IDs directly to these functions. This is the same class of vulnerability as CVE-2026-25745 (REST API IDOR), but affects the web UI code paths. Version 8.0.0.3 patches the issue."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-639",
"description": "CWE-639: Authorization Bypass Through User-Controlled Key",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-03-25T23:49:06.009Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/openemr/openemr/security/advisories/GHSA-8gj5-r8vm-mghq",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/openemr/openemr/security/advisories/GHSA-8gj5-r8vm-mghq"
},
{
"name": "https://github.com/openemr/openemr/commit/214c9b4585a6f1c8c22750172d47f0e258fec0bf",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/openemr/openemr/commit/214c9b4585a6f1c8c22750172d47f0e258fec0bf"
},
{
"name": "https://github.com/openemr/openemr/releases/tag/v8_0_0_3",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/openemr/openemr/releases/tag/v8_0_0_3"
}
],
"source": {
"advisory": "GHSA-8gj5-r8vm-mghq",
"discovery": "UNKNOWN"
},
"title": "OpenEMR has IDOR in Patient Notes Web UI allows unauthorized note access/modification"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-34055",
"datePublished": "2026-03-25T23:49:06.009Z",
"dateReserved": "2026-03-25T15:29:04.746Z",
"dateUpdated": "2026-03-26T14:22:43.312Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…