Auth bypass in Tenable Identity Exposure
CVE-2026-13007
Tenable Identity Exposure contains multiple unauthenticated API endpoints under /w/api/* that expose sensitive application configuration data including cleartext LDAP credentials, SAML configuration, user accounts, and directory settings to unauthenticated remote attackers. Affected responses are served with Cache-Control: public headers and without Vary: Cookie, allowing reverse proxies and CDNs to cache and serve sensitive data to unauthenticated users even after authentication is applied.
Vulnerability class: Broken Authentication
EPSS: 0.006 (47.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Tenable Identity_exposure
- Tenable Identity Exposure — versions 0
Weakness classification (CWE)
References
- vulnreport@tenable.com (vendor-advisory, Broken Link)
Frequently asked questions
- What is CVE-2026-13007?
- CVE-2026-13007 is a high-severity vulnerability in Tenable Identity Exposure, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2026-06-23.
- How severe is CVE-2026-13007?
- High severity. CVSS v3 base score is 7.5 out of 10.