Lucene search
K
Catalog
Vendors
Products
Timeline
Vulnerabilities
Sources
Documentation
Blog
Glossary
FAQ
Brand assets
Assessment
Agents dashboard
Agent Scanning
API Scanning
Assessment API
Alerts
Email notifications
Webhook notifications
Alerts API
SBOM package analysis
API Reference
Support
Settings
Sign in

CVE-2026-21809

🗓️ 22 Jan 2026 00:00:00Reported by candidateType 
cve
 cve👁 2 Views

CVE-2026-21809 appears as a reserved placeholder in the Initial document; however, related PTSecurity entries (PT-2026-4276 and PT-2026-4277) indicate this CVE is among two critical flaws added to the Known Exploited Vulnerabilities catalog, targe...

Related
ReporterTitlePublishedViews
Family
Positive Technologies		PT-2026-4276
22 Jan 202600:00
–ptsecurity
Positive Technologies		PT-2026-4277
22 Jan 202600:00
–ptsecurity

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

Book a live demo
22 Jan 2026 00:00Current
2