MEDIUM CVSS 4.3
Published: 2026-02-10

CVE-2026-25530

kanboard kanboard Security Advisory (CVE-2026-25530)
↗ Official NIST NVD Record
Seeking technical exploit breakdowns or verified PoC code for CVE-2026-25530?
🔬 Search Writeups & Exploit Archive →

CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2026-25530 impacting kanboard kanboard. Evaluated with CVSS Base Score of 4.3 (MEDIUM).

Original NVD Description

Source: NIST NVD
Kanboard is project management software focused on Kanban methodology. Prior to 1.2.50, the getSwimlane API method lacks project-level authorization, allowing authenticated users to access swimlane data from projects they cannot access. This vulnerability is fixed in 1.2.50.

📊 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
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
Low (C:L)
Partial information leakage
Integrity
None (I:N)
No system modification impact
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product kanboard / kanboard
Affected Versions *
Weakness Enumeration CWE-639

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-2026-25530 impacting kanboard kanboard.

⚡ Nuclei Detection Template (YAML) cve-2026-25530.yaml
id: cve-2026-25530

info:
  name: kanboard kanboard - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2026-25530 affecting kanboard kanboard.
    Evaluation: Kanboard is project management software focused on Kanban methodology. Prior to 1.2.50, the getSwimlane API method lacks project-level authorization, ...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2026-25530
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
    cvss-score: 4.3
    cve-id: CVE-2026-25530
    cwe-id: CWE-639
  tags: cve,cve-2026-25530,kanboard,kanboard,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "kanboard"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2026-25530.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2026-25530
# Target: kanboard kanboard | CVSS: 4.3 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2026-25530 (kanboard kanboard)...")
    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 kanboard kanboard 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-2026-25530.sh
# Recommended Remediation & Patching Commands for CVE-2026-25530
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install kanboard 2>/dev/null || \
sudo dnf upgrade kanboard 2>/dev/null || \
sudo yum update kanboard

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

# 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-2026-25530 in kanboard kanboard?

Review vendor-specific security notices and update kanboard kanboard 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-2026-25530?

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-2026-25530?

CVE-2026-25530 is classified with a CVSS 3.1 Base Score of 4.3 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
4.3
MEDIUM SEVERITY
CVE ID CVE-2026-25530
Weakness CWE-639
Vendor kanboard
Product kanboard
Published 2026-02-10
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N