# CVE-2026-8639: IBM Verify Directory is affected by multiple vulnerabilities

Status: published. Published: 2026-11-08. Updated: 2026-11-08.

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.

## Remediation

- fix: IBM strongly encourages customers to update their systems promptly.





Product(s)Affected Version(s)FixIBM Security Verify Directory10.0.0-10.0.4Download and install IBM Security Verify Directory v10.0.4.4
Download document -  https://www.ibm.com/support/pages/node/7292855 IBM Verify Directory11.0.0Download and install IBM Verify Directory v11.0.1.2
Download document -  https://www.ibm.com/support/pages/node/7290214 (source: CNA: ibm)
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: ibm) — https://www.ibm.com/support/pages/node/7293828

## Affected products and versions

- IBM / Security Verify Directory: ≥ 10.0.0; ≤ 10.0.4 (affected, semver). Source: CNA: ibm
- IBM / Verify Directory: 11.0.0 (affected). Source: CNA: ibm

## Severity and prioritization

- CVSS 3.1: 8.8 (high); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H; source: CNA: ibm

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-384

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

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

## Provenance

- CNA: ibm: https://www.cve.org/CVERecord?id=CVE-2026-8639; retrieved 2026-11-08; source updated 2026-11-08

Revision: c9a636062e2b51b5a50d066793e3669ceced503cdf08a6551f838f3c65f158b4

Canonical: https://y2.dev/cve/CVE-2026-8639

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.