CVE-2026-19498 IBM CVE debrief

Who should care

Security Verify Access and Verify Identity Access administrators, IBM customers, and security teams responsible for patch management and vulnerability remediation.

Why it matters

CVE-2026-19498 is a medium-severity vulnerability in IBM Security Verify Access and IBM Verify Identity Access that could allow a remote attacker to cause a denial of service. Security teams and administrators should assess exposure, verify affected versions, and apply patches as available. The vulnerability's impact on access management and potential disruption requires medium priority attention.

• Denial of service attacks could disrupt access to identity and access management systems
• Successful exploitation requires network access and specific conditions
• Remediation priority is medium due to potential impact on access management
• Further verification of affected versions and exploitation is needed

Technical summary

IBM Security Verify Access 10.0 through 10.0.9.2 and IBM Verify Identity Access 11.0 through 11.0.3 are vulnerable to a denial of service due to uncontrolled recursion. A remote attacker could exploit this vulnerability to cause a denial of service. The vulnerability is caused by a software weakness in the affected products' handling of recursive requests. Security Verify Access and Verify Identity Access administrators should assess exposure and apply patches as available from IBM. The vulnerability's impact on access management requires medium priority attention

Defensive priority

Medium priority for Security Verify Access and Verify Identity Access administrators to assess exposure and apply patches.

Recommended defensive actions

• Assess exposure of Security Verify Access and Verify Identity Access instances
• Verify affected versions (10.0 through 10.0.9.2 and 11.0 through 11.0.3)
• Apply patches as available from IBM
• Monitor for potential denial of service attacks

Evidence notes

The CVE record and source item provide details on the vulnerability, affected versions, and vendor advisory. However, additional information on exploitation and impact is limited.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.