MEDIUM CVSS 5.3
Published: 2026-05-09

CVE-2026-8212

osgeo gdal Security Advisory (CVE-2026-8212)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2026-8212 impacting osgeo gdal. Evaluated with CVSS Base Score of 5.3 (MEDIUM).

Original NVD Description

Source: NIST NVD
A flaw has been found in OSGeo gdal up to 3.13.0dev-4. Affected by this vulnerability is the function SWSDfldsrch of the file frmts/hdf4/hdf-eos/SWapi.c. Executing a manipulation can lead to heap-based buffer overflow. The attack requires local access. The exploit has been published and may be used. Upgrading to version 3.13.0RC1 addresses this issue. This patch is called 3e04c0385630e4d42517046d9a4967dfccfeb7fd. The affected component should be upgraded.

📊 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
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 osgeo / gdal
Affected Versions *
Weakness Enumeration CWE-119

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-2026-8212 impacting osgeo gdal.

⚡ Nuclei Detection Template (YAML) cve-2026-8212.yaml
id: cve-2026-8212

info:
  name: osgeo gdal - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2026-8212 affecting osgeo gdal.
    Evaluation: A flaw has been found in OSGeo gdal up to 3.13.0dev-4. Affected by this vulnerability is the function SWSDfldsrch of the file frmts/hdf4/hdf-eos/SWapi...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2026-8212
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
    cvss-score: 5.3
    cve-id: CVE-2026-8212
    cwe-id: CWE-119
  tags: cve,cve-2026-8212,osgeo,gdal,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "gdal"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2026-8212.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2026-8212
# Target: osgeo gdal | CVSS: 5.3 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2026-8212 (osgeo gdal)...")
    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 osgeo gdal 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-2026-8212.sh
# Recommended Remediation & Patching Commands for CVE-2026-8212
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install gdal 2>/dev/null || \
sudo dnf upgrade gdal 2>/dev/null || \
sudo yum update gdal

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

# 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-2026-8212 in osgeo gdal?

Review vendor-specific security notices and update osgeo gdal 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-2026-8212?

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-2026-8212?

CVE-2026-8212 is classified with a CVSS 3.1 Base Score of 5.3 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
5.3
MEDIUM SEVERITY
CVE ID CVE-2026-8212
Weakness CWE-119
Vendor osgeo
Product gdal
Published 2026-05-09
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L