What is CVE-2026-8642?

CVE-2026-8642 is a medium-severity vulnerability in IBM Security Verify Directory, classified under Information Disclosure. CVSS score: 4.3/10. Published 2026-11-08.

How severe is CVE-2026-8642?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Information disclosure in IBM Security Verify Directory

CVE-2026-8642

IBM Security Verify Directory 10.0.0 through 10.0.4 and IBM Verify Directory 11.0.0 exposes debug endpoints that disclose system information including server versions and session identifiers. This information can be used to identify vulnerable software versions.

Vulnerability class: Information Disclosure

Published 2026-11-08 · last modified 2026-11-08.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

IBM Security Verify Directory
IBM Verify Directory — versions 11.0.0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

www.ibm.com/support/pages/node/7293828 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-8642?: CVE-2026-8642 is a medium-severity vulnerability in IBM Security Verify Directory, classified under Information Disclosure. CVSS score: 4.3/10. Published 2026-11-08.
How severe is CVE-2026-8642?: Medium severity. CVSS v3 base score is 4.3 out of 10.