MEDIUM CVSS 6.3
Published: 2026-01-29

CVE-2026-1552

sem-cms semcms Security Advisory (CVE-2026-1552)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2026-1552 impacting sem-cms semcms. Evaluated with CVSS Base Score of 6.3 (MEDIUM).

Original NVD Description

Source: NIST NVD
A security vulnerability has been detected in SEMCMS 5.0. This vulnerability affects unknown code of the file /SEMCMS_Info.php. The manipulation of the argument searchml leads to sql injection. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

📊 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
Low (I:L)
Partial data modification possible
Availability
Low (A:L)
Partial service performance degradation

🎯 Affected Versions Matrix

Affected Product sem-cms / semcms
Affected Versions 5.0
Weakness Enumeration CWE-74

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-2026-1552 impacting sem-cms semcms.

⚡ Nuclei Detection Template (YAML) cve-2026-1552.yaml
id: cve-2026-1552

info:
  name: sem-cms semcms - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2026-1552 affecting sem-cms semcms.
    Evaluation: A security vulnerability has been detected in SEMCMS 5.0. This vulnerability affects unknown code of the file /SEMCMS_Info.php. The manipulation of th...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2026-1552
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
    cvss-score: 6.3
    cve-id: CVE-2026-1552
    cwe-id: CWE-74
  tags: cve,cve-2026-1552,sem-cms,semcms,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "semcms"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2026-1552.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2026-1552
# Target: sem-cms semcms | CVSS: 6.3 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2026-1552 (sem-cms semcms)...")
    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 sem-cms semcms scope (5.0).")
        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-2026-1552.sh
# Recommended Remediation & Patching Commands for CVE-2026-1552
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install semcms 2>/dev/null || \
sudo dnf upgrade semcms 2>/dev/null || \
sudo yum update semcms

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

# 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
  • No records filed in this category.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2026-1552 in sem-cms semcms?

Review vendor-specific security notices and update sem-cms semcms 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-2026-1552?

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-2026-1552?

CVE-2026-1552 is classified with a CVSS 3.1 Base Score of 6.3 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
6.3
MEDIUM SEVERITY
CVE ID CVE-2026-1552
Weakness CWE-74
Vendor sem-cms
Product semcms
Published 2026-01-29
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L