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CVE-2026-8639

8.8 highEPSS 0.3%

High (8.8) in ibm. EPSS 0.3% estimated probability of exploitation activity in the next 30 days.

On this page
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.

Severity

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
EPSS
0.3% estimated probability of exploitation activity in the next 30 days; 26th percentile. Scored 2026-11-10. A forecast for this CVE across the internet, not for your own systems.
CISA's assessment (SSVC)
Exploitation: none · Automatable: no · Technical impact: total, assessed 2026-11-08. From CISA's Vulnrichment in the CVE List: whether it is exploited, whether exploiting it can be automated, and how much control it gives.
CWE
CWE-384 Session Fixation
OWASP Top 10
A07:2025 Authentication Failures
Published
Modified
NVD analysis
Awaiting analysis
Record from
the NVD, synced

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Affected

  • ibm:security verify directory
  • ibm:verify directory

Versions

From the CNA's record in the CVE List.

ProductAffected
IBM Security Verify Directoryfrom 10.0.0 through 10.0.4
IBM Verify Directory11.0.0

Attack patterns (CAPEC)

  • CAPEC-21 Exploitation of Trusted Identifiers Likelihood: High · Severity: High
  • CAPEC-31 Accessing/Intercepting/Modifying HTTP Cookies Likelihood: High · Severity: High
  • CAPEC-39 Manipulating Opaque Client-based Data Tokens Likelihood: High · Severity: Medium
  • CAPEC-59 Session Credential Falsification through Prediction Likelihood: High · Severity: High
  • CAPEC-60 Reusing Session IDs (aka Session Replay) Likelihood: High · Severity: High
  • CAPEC-61 Session Fixation Likelihood: Medium · Severity: High
  • CAPEC-196 Session Credential Falsification through Forging Likelihood: Medium · Severity: Medium

The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.

References

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