# CVE-2026-8639

Session fixation enables admin-console session hijack in IBM Verify Directory

- Page: https://www.vulneraibility.com/cve/CVE-2026-8639
- CVSS: 8.8
- Known exploited: not in CISA KEV as of our last sync
- CISA SSVC: exploitation none, automatable no, technical impact total (assessed 2026-11-08)
- Weakness: CWE-384
- Published: 2026-11-08

## Affected versions

- IBM Security Verify Directory: affected >= 10.0.0 and <= 10.0.4
- IBM Verify Directory: affected 11.0.0

A version outside these ranges is not a statement that it is unaffected.

## Impact

Hijack authenticated admin sessions to access/manage directory console, modify accounts/configuration, and maintain persistence.

## Action

Immediate action required

## Recommendation

Restrict admin console access, enforce MFA, invalidate sessions, and apply vendor patch ASAP when released

## References

- [patch] https://www.ibm.com/support/pages/node/7293828

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.