IBM Verify Access RCE via Untrusted Deserialization (<=10.0.9.2/<=11.0.3)
CVE-2026-78406 Published on October 8, 2026
Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Verify Access
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.
Vulnerability Analysis
CVE-2026-78406 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
What is a Marshaling, Unmarshaling Vulnerability?
The application deserializes untrusted data without sufficiently verifying that the resulting data will be valid.
CVE-2026-78406 has been classified to as a Marshaling, Unmarshaling vulnerability or weakness.
Products Associated with CVE-2026-78406
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Affected Versions
IBM Security Verify Access:- Version 10.0, <= 10.0.9.2 is affected.
- Version 11.0, <= 11.0.3 is affected.
- Version 10.0, <= 10.0.9.2 is affected.
- Version 11.0, <= 11.0.3 is affected.