CVE-2026-19639: CWE-1284 Improper validation of specified quantity in input in Tenable, Inc. Security Center
CVE-2026-19639 is an improper access control vulnerability in Tenable, Inc. Security Center. It allows an authenticated non-administrative user to potentially view settings outside their assigned scope. The vulnerability does not allow modification or denial of service. It has a medium severity with a CVSS score of 4.3.
AI Analysis
Technical Summary
This vulnerability (CWE-1284) in Tenable Security Center involves improper validation of specified quantity in input, leading to insufficient access control. Authenticated users with non-administrative privileges may access configuration settings beyond their authorized scope. The CVSS 3.1 vector indicates network attack vector, low attack complexity, low privileges required, no user interaction, unchanged scope, and limited confidentiality impact without integrity or availability impact.
Potential Impact
An attacker with valid non-administrative credentials could view sensitive configuration settings outside their assigned permissions. There is no indication of privilege escalation, data modification, or service disruption. The confidentiality impact is limited, and integrity and availability are not affected.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary workaround has been documented at this time.
CVE-2026-19639: CWE-1284 Improper validation of specified quantity in input in Tenable, Inc. Security Center
Description
CVE-2026-19639 is an improper access control vulnerability in Tenable, Inc. Security Center. It allows an authenticated non-administrative user to potentially view settings outside their assigned scope. The vulnerability does not allow modification or denial of service. It has a medium severity with a CVSS score of 4.3.
CVSS v3.1
Score 4.3medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-1284) in Tenable Security Center involves improper validation of specified quantity in input, leading to insufficient access control. Authenticated users with non-administrative privileges may access configuration settings beyond their authorized scope. The CVSS 3.1 vector indicates network attack vector, low attack complexity, low privileges required, no user interaction, unchanged scope, and limited confidentiality impact without integrity or availability impact.
Potential Impact
An attacker with valid non-administrative credentials could view sensitive configuration settings outside their assigned permissions. There is no indication of privilege escalation, data modification, or service disruption. The confidentiality impact is limited, and integrity and availability are not affected.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary workaround has been documented at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- tenable
- Date Reserved
- 2026-08-12T16:41:08.085Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7f56e0bf8831d5397df76e
Added to database: 08/14/2026, 17:56:48 UTC
Last enriched: 08/14/2026, 18:16:03 UTC
Last updated: 08/14/2026, 18:18:57 UTC
Views: 4
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