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PatchSiren cyber security CVE debrief

CVE-2026-78401 IBM CVE debrief

IBM Security Verify Access and IBM Verify Identity Access are vulnerable to remote code execution due to insecure deserialization. Defenders should assess exposure, prioritize remediation, and verify system inventory. The vulnerability affects versions 10.0 through 10.0.9.2 and 11.0 through 11.0.3. Defenders must review system configurations, apply vendor patches, and monitor for potential exploitation attempts. This CVE has a critical CVSS score of 9.8, indicating high severity. Defenders should review the CVE record and vendor advisory for detailed information.

Vendor
IBM
Product
Security Verify Access
CVSS
CRITICAL 9.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-08
Original CVE updated
2026-10-10
Advisory published
2026-10-08
Advisory updated
2026-10-10

Who should care

Defenders responsible for IBM Security Verify Access and IBM Verify Identity Access systems, including administrators and security teams, should assess exposure and prioritize remediation.

Why it matters

CVE-2026-78401 is a critical remote code execution vulnerability in IBM Security Verify Access and IBM Verify Identity Access due to insecure deserialization. Defenders must assess exposure, prioritize remediation, and verify system inventory to prevent potential exploitation.

  • Remote code execution is possible due to insecure deserialization
  • Defenders must verify system inventory and apply vendor patches
  • Exposure assessment is necessary for affected versions 10.0 through 10.0.9.2 and 11.0 through 11.0.3
  • Remediation priority is high due to critical CVSS score of 9.8

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 remote code execution due to insecure deserialization of untrusted data. The vulnerability has a critical CVSS score of 9.8, indicating high severity. Defenders should assess exposure, prioritize remediation, and verify system inventory to prevent potential exploitation.

Defensive priority

High

Recommended defensive actions

  • Assess exposure of IBM Security Verify Access and IBM Verify Identity Access systems
  • Prioritize remediation of affected versions 10.0 through 10.0.9.2 and 11.0 through 11.0.3
  • Verify system inventory and apply vendor patches
  • Monitor for potential exploitation attempts

Evidence notes

The CVE record and source item provide details on the vulnerability, affected versions, and vendor advisory. The vulnerability is caused by insecure deserialization of untrusted data. Defenders should verify system inventory, apply vendor patches, and monitor for potential exploitation attempts. The CVE record was published on 2026-10-08T21:02:55.719Z and has not been modified since then. The source item provides additional information on the vulnerability and affected versions.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-78401 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-78401

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-78401 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-78401

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental 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.