CVE-2026-19629

High

Description

A privilege escalation vulnerability exists in Tenable Security Center that allows a user with "Security Manager" role and "manage user" permission on a single group to modify users belonging to other groups. This bypasses the intended access control restrictions and enables unauthorized cross-group user management.

SeverityHigh

CVSS8.1

Exploit probability—

ProductTenable Security Center

PublishedAug 14, 2026

First seenAug 14, 2026

Weakness typeCWE-863Incorrect authorization

How to fix

Update

tenable security_center6.9.0 or later

Vendor advisories

tenable.com/security/tns-2026-22

Affected products

Product	Affected versions	Fixed in
tenable security_center	v < 6.9.0	6.9.0

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