MEDIUM CVSS 4.6
Published: 2025-03-04

CVE-2025-27401

enalean tuleap Security Advisory (CVE-2025-27401)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2025-27401 impacting enalean tuleap. Evaluated with CVSS Base Score of 4.6 (MEDIUM).

Original NVD Description

Source: NIST NVD
Tuleap is an Open Source Suite to improve management of software developments and collaboration. In a standard usages of Tuleap, the issue has a limited impact, it will mostly leave dangling data. However, a malicious user could create and delete reports multiple times to cycle through all the filters of all reports of the instance and delete them. The malicious user only needs to have access to one tracker. This would result in the loss of all criteria filters forcing users and tracker admins to re-create them. This vulnerability is fixed in Tuleap Community Edition 16.4.99.1740498975 and Tuleap Enterprise Edition 16.4-6 and 16.3-11.

📊 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
Required (UI:R)
User must click or open resource
Scope
Unchanged (S:U)
Confined to same security context
Confidentiality
None (C:N)
No data confidentiality impact
Integrity
Low (I:L)
Partial data modification possible
Availability
Low (A:L)
Partial service performance degradation

🎯 Affected Versions Matrix

Affected Product enalean / tuleap
Affected Versions *
Weakness Enumeration CWE-440

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-2025-27401 impacting enalean tuleap.

⚡ Nuclei Detection Template (YAML) cve-2025-27401.yaml
id: cve-2025-27401

info:
  name: enalean tuleap - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2025-27401 affecting enalean tuleap.
    Evaluation: Tuleap is an Open Source Suite to improve management of software developments and collaboration. In a standard usages of Tuleap, the issue has a limit...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2025-27401
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L
    cvss-score: 4.6
    cve-id: CVE-2025-27401
    cwe-id: CWE-440
  tags: cve,cve-2025-27401,enalean,tuleap,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "tuleap"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2025-27401.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2025-27401
# Target: enalean tuleap | CVSS: 4.6 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2025-27401 (enalean tuleap)...")
    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 enalean tuleap 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-2025-27401.sh
# Recommended Remediation & Patching Commands for CVE-2025-27401
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install tuleap 2>/dev/null || \
sudo dnf upgrade tuleap 2>/dev/null || \
sudo yum update tuleap

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

# 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

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2025-27401 in enalean tuleap?

Review vendor-specific security notices and update enalean tuleap 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-2025-27401?

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-2025-27401?

CVE-2025-27401 is classified with a CVSS 3.1 Base Score of 4.6 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
4.6
MEDIUM SEVERITY
CVE ID CVE-2025-27401
Weakness CWE-440
Vendor enalean
Product tuleap
Published 2025-03-04
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L