LOW CVSS 3.3
Published: 2026-06-03

CVE-2026-10722

cilium ebpf Security Advisory (CVE-2026-10722)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2026-10722 impacting cilium ebpf. Evaluated with CVSS Base Score of 3.3 (LOW).

Original NVD Description

Source: NIST NVD
A vulnerability has been found in cilium ebpf up to 0.21.0. This affects the function loadRawSpec of the file btf/btf.go of the component LoadCollectionSpec/LoadCollectionSpecFromReader. Such manipulation of the argument offset leads to integer overflow. The attack can only be performed from a local environment. The exploit has been disclosed to the public and may be used. The name of the patch is 533dfc82fd228bfadf42ea7180c39de7d9af47fa. A patch should be applied to remediate this issue.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Local (AV:L)
Requires local system execution permissions
Attack Complexity
Low (AC:L)
No specialized conditions required
Privileges Required
Low (PR:L)
Standard user access required
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
None (I:N)
No system modification impact
Availability
Low (A:L)
Partial service performance degradation

🎯 Affected Versions Matrix

Affected Product cilium / ebpf
Affected Versions *
Weakness Enumeration CWE-189

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-2026-10722 impacting cilium ebpf.

⚡ Nuclei Detection Template (YAML) cve-2026-10722.yaml
id: cve-2026-10722

info:
  name: cilium ebpf - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: low
  description: |
    Automated signature & scanner for CVE-2026-10722 affecting cilium ebpf.
    Evaluation: A vulnerability has been found in cilium ebpf up to 0.21.0. This affects the function loadRawSpec of the file btf/btf.go of the component LoadCollecti...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2026-10722
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
    cvss-score: 3.3
    cve-id: CVE-2026-10722
    cwe-id: CWE-189
  tags: cve,cve-2026-10722,cilium,ebpf,low

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "ebpf"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2026-10722.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2026-10722
# Target: cilium ebpf | CVSS: 3.3 (LOW)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2026-10722 (cilium ebpf)...")
    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 cilium ebpf scope (*).")
        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-2026-10722.sh
# Recommended Remediation & Patching Commands for CVE-2026-10722
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install ebpf 2>/dev/null || \
sudo dnf upgrade ebpf 2>/dev/null || \
sudo yum update ebpf

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

# 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.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2026-10722 in cilium ebpf?

Review vendor-specific security notices and update cilium ebpf 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-2026-10722?

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-2026-10722?

CVE-2026-10722 is classified with a CVSS 3.1 Base Score of 3.3 (LOW). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
3.3
LOW SEVERITY
CVE ID CVE-2026-10722
Weakness CWE-189
Vendor cilium
Product ebpf
Published 2026-06-03
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L