What is CVE-2026-2698?

CVE-2026-2698 is a medium-severity vulnerability in Tenable Security Center, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-02-23.

How severe is CVE-2026-2698?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Tenable Security Center

CVE-2026-2698

An improper access control vulnerability exists where an authenticated user could access areas outside of their authorized scope.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2026-02-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (28.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002

Affected products

Tenable Security Center — versions 0
Tenable Security Center

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

https://www.tenable.com/security/tns-2026-07 (Broken Link)
https://docs.tenable.com/release-notes/Content/security-center/2026.htm (Broken Link)

Frequently asked questions

What is CVE-2026-2698?: CVE-2026-2698 is a medium-severity vulnerability in Tenable Security Center, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-02-23.
How severe is CVE-2026-2698?: Medium severity. CVSS v3 base score is 6.5 out of 10.