CRITICAL CVSS 9.1
Published: 2026-06-17

CVE-2026-46858

oracle application_performance_management Security Advisory (CVE-2026-46858)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2026-46858 impacting oracle application_performance_management. Evaluated with CVSS Base Score of 9.1 (CRITICAL).

Original NVD Description

Source: NIST NVD
Vulnerability in the APM - Application Performance Management product of Oracle Enterprise Manager (component: JADM, JVM Diagnostics). Supported versions that are affected are 13.5 and 24.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise APM - Application Performance Management. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all APM - Application Performance Management accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of APM - Application Performance Management. CVSS 3.1 Base Score 9.1 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H).

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
Low (AC:L)
No specialized conditions required
Privileges Required
None (PR:N)
Unauthenticated execution
User Interaction
None (UI:N)
Zero human interaction required
Scope
Unchanged (S:U)
Confined to same security context
Confidentiality
None (C:N)
No data confidentiality impact
Integrity
High (I:H)
Total modification of target system
Availability
High (A:H)
Total denial of service or shutdown

🎯 Affected Versions Matrix

Affected Product oracle / application_performance_management
Affected Versions 13.5
Weakness Enumeration CWE-284

Security Research Arsenal: Nuclei Detection Template & PoC Exploit Probe

High-Intent Research Tool

Ready-to-use security scanner signatures, active verification probe skeletons, and remediation playbooks for CVE-2026-46858 impacting oracle application_performance_management.

⚡ Nuclei Detection Template (YAML) cve-2026-46858.yaml
id: cve-2026-46858

info:
  name: oracle application_performance_management - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: critical
  description: |
    Automated signature & scanner for CVE-2026-46858 affecting oracle application_performance_management.
    Evaluation: Vulnerability in the APM - Application Performance Management product of Oracle Enterprise Manager (component: JADM, JVM Diagnostics).  Supported vers...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2026-46858
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
    cvss-score: 9.1
    cve-id: CVE-2026-46858
    cwe-id: CWE-284
  tags: cve,cve-2026-46858,oracle,application_performance_m,critical

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "application_performance_management"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2026-46858.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2026-46858
# Target: oracle application_performance_management | CVSS: 9.1 (CRITICAL)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2026-46858 (oracle application_performance_management)...")
    headers = {
        "User-Agent": "CyberVault-Audit-Scanner/2.0",
        "Accept": "*/*"
    }
    try:
        r = requests.get(f"{target_url.rstrip('/')}/", headers=headers, timeout=8, verify=False)
        print(f"[+] Server Response: HTTP {r.status_code} | Server Banner: {r.headers.get('Server', 'Unknown')}")
        if r.status_code < 500:
            print(f"[!] Target reachable. Verify version against oracle application_performance_management scope (13.5).")
        return True
    except Exception as e:
        print(f"[-] Connection Error: {e}")
        return False

if __name__ == '__main__':
    url = sys.argv[1] if len(sys.argv) > 1 else "http://localhost:8080"
    verify_vulnerability(url)
🛡️ Quick Patch & Remediation Script (Bash) patch_cve-2026-46858.sh
# Recommended Remediation & Patching Commands for CVE-2026-46858
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install application_performance_m 2>/dev/null || \
sudo dnf upgrade application_performance_m 2>/dev/null || \
sudo yum update application_performance_m

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i application_performance_m 2>/dev/null || rpm -qa | grep -i application_performance_m

# 3. Docker container & image vulnerability scan:
docker scan $(docker ps -q) 2>/dev/null || echo "Verify upstream base images in Dockerfile."

🛡️ Remediation & Security Action

  • Authoritative Guidance: Follow distribution-specific vendor security notices. Advisory status and package patches vary by distribution release.
  • Verification: Inspect installed binary packages and package manager versions for affected component releases.
  • Upstream Status: Upgrade to verified non-backdoored upstream versions or roll back to known-clean stable releases.
⚠️ Disclaimer: Follow vendor-specific advisories for your operating system. CyberVault does not fabricate unsupported remediation scripts.

🔗 Verified Technical References

Authorities
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Distributions
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❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2026-46858 in oracle application_performance_management?

Review vendor-specific security notices and update oracle application_performance_management packages to the latest patched release immediately. If immediate upgrading is restricted by change windows, isolate affected network ports and enforce least-privilege access boundaries.

Is there an active exploit or public PoC for CVE-2026-46858?

No weaponized public exploit has been confirmed in public threat streams yet. Continuous surveillance is active across GitHub and security feeds.

What is the CVSS 3.1 severity rating and impact for CVE-2026-46858?

CVE-2026-46858 is classified with a CVSS 3.1 Base Score of 9.1 (CRITICAL). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
9.1
CRITICAL SEVERITY
CVE ID CVE-2026-46858
Weakness CWE-284
Vendor oracle
Product application_performance_management
Published 2026-06-17
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H