Ibm Security Verify Access — CVE-2026-78401 (Critical)

Date Oct 8, 2026

Type Vendor advisory

Signal Critical vendor advisory

Vendor / Product Ibm · Security Verify Access

CVE CVE-2026-78401

Critical vendor advisory CVE-2026-78401

Summary

IBM Security Verify Access 10.0 through 10.0.9.2 and IBM Verify Identity Access 11.0 through 11.0.3 could allow a remote unauthenticated attacker to execute arbitrary code on the system due to the deserialization of untrusted data.

Why it matters

This CVE carries a CRITICAL severity rating (CVSS 9.8) in Ibm Security Verify Access. Patch or mitigate promptly. EPSS percentile: 45%.

Operator check

Review CVE-2026-78401 in your asset inventory. Apply patches per vendor guidance and verify Security Verify Access is not exposed. CVSS score: 9.8. EPSS probability: 0.6%; percentile: 45%.

Sources

NVD — CVE-2026-78401 Source reference

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.

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