Vulnerability in IBM Security Verify Directory
CVE-2026-8639
IBM Security Verify Directory 10.0.0 through 10.0.4 and IBM Verify Directory 11.0.0 is vulnerable to session fixation. An attacker can establish a session and, after the victim authenticates, hijack the authenticated session to gain unauthorized access to the directory management console.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
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)
References
- www.ibm.com/support/pages/node/7293828 (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2026-8639?
- CVE-2026-8639 is a high-severity vulnerability in IBM Security Verify Directory, classified under Session Fixation. CVSS score: 8.8/10. Published 2026-11-08.
- How severe is CVE-2026-8639?
- High severity. CVSS v3 base score is 8.8 out of 10.