CVE-2026-12488
MEDIUM 6.2A memory corruption vulnerability exists in the GV-Cloud functionality of GeoVision GV-VMS V20 20.0.2. A specially crafted network request can lead to a denial of service. An attacker can impersonate the legitimate server to trigger this vulnerability.
NO EXPLOITATION SIGNALS
No known exploitation, public exploit, or elevated probability at this time. Track for changes.
Exploitation likelihood
0.2%chance of exploitation in 30 days · 10th percentile
○ In CISA KEV
○ Public exploit / PoC
Impact if exploited
6.2CVSS 3.1 · MEDIUM
- ConfidentialityLow
- IntegrityNone
- AvailabilityHigh
What an attacker needs
- ✓Access: Reachable over the network — no local access needed
- ⚠Privileges: Requires an admin / high-privilege account
- ⚠User interaction: A user must take an action (click / open a file)
- ⚠Complexity: Needs a race window or specific setup
✓ lowers the bar for an attacker · ⚠ raises it
Proof of concept & exploit code
- github-search Search GitHub for public PoC repos
Test against your own equipment
curl -s https://vulnpedia.com/cve/CVE-2026-12488/poc.jsonMachine-readable PoC index for this CVE (for automation).Listed for defensive triage, patch verification, and authorized testing on systems you own. Machine-readable: /cve/CVE-2026-12488/poc.json
Weakness (CWE)
- CWE-121: Stack-based buffer overflow
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:N/A:H
All CVSS metrics
- MEDIUM 6.2 v3.1 · CNA Primary
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:N/A:H - MEDIUM 6.2 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:N/A:H