Threats Tagged 'cve-2026-21926'
View all threats tagged with 'cve-2026-21926'. Filter and sort to focus on specific types of threats.
Stop chasing alerts. Route them.
Start free, then upgrade once to turn Radar into an automated delivery engine for your security stack.
Custom feeds / Automations: email, Slack, webhooks, SIEM/MISP / API access (baseline limits)
API access activates after upgrading in Console -> Billing.
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.
Filter Threats
Narrow down the results by type, severity, or affected countries
Threats Tagged 'cve-2026-21926'
Click on any threat for detailed analysis and mitigation recommendations
CVE-2026-21926 is a high-severity vulnerability in Oracle Siebel CRM Deployment versions 17.0 through 25.2. It allows an unauthenticated attacker with network access via TLS to cause a denial of service (DoS) by triggering a hang or repeated crash of the Siebel CRM server infrastructure. The vulnerability does not impact confidentiality or integrity but severely affects availability. Exploitation requires no privileges or user interaction and can be performed remotely, making it easily exploitable. There are no known exploits in the wild yet, but the potential for disruption in business-critical CRM environments is significant. European organizations relying on Siebel CRM for customer management and operations could face service outages and operational disruptions. Mitigation should focus on applying vendor patches promptly once available, restricting network access to Siebel CRM servers, and monitoring for unusual traffic patterns. Countries with high adoption of Oracle Siebel CRM, such as the UK, Germany, France, and the Netherlands, are most at risk. Join the discussion | CVE Database V5 | 01/20/2026, 21:56:21 UTC Added: 01/20/2026, 22:06:00 UTC |
Showing 1 to 1 of 1 result