Is there a public exploit for CVE-2026-8639?

No public exploit for CVE-2026-8639 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-8639?

CVE-2026-8639 scores CVSS 8.8 (v3.1), rated high.

What does CVE-2026-8639 affect?

CVE-2026-8639 affects IBM Security Verify Directory, Verify Directory.

8.8 High

IBM Security Verify Directory 10.0.0 through 10.0.4 and IBM Verify Directory 11.0.0 is vulnerable to session fixation.

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.

Assessment

CVSS: 8.8 (v3.1)
Severity: High
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 8 November 2026
Last updated: 9 November 2026
Affected: IBM · Security Verify Directory · Verify Directory
Assigner: ibm

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

At the source

EUVD (ENISA)

References

https://www.ibm.com/support/pages/node/7293828

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