CVE-2026-78401: CWE-502 Deserialization of Untrusted Data in IBM Security Verify Access
Description
CVE-2026-78401 is a critical vulnerability in IBM Security Verify Access and IBM Verify Identity Access that allows remote unauthenticated attackers to execute arbitrary code via deserialization of untrusted data. It affects versions 10.0 through 10.0.9.2 and 11.0 through 11.0.3. The vulnerability has a CVSS score of 9.8, indicating high impact on confidentiality, integrity, and availability.
CVSS v3.1
Score 9.8critical
Affected software
IBM
Security Verify Access
IBM
Verify Identity Access
IBM
Security Verify Access Container
IBM
Verify Identity Access Container
cpe:2.3:a:ibm:security_verify_access:10.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:security_verify_access:10.0.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:security_verify_access:10.0.9.2:*:*:*:*:*:*:*cpe:2.3:a:ibm:verify_identity_access:11.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:verify_identity_access:11.0.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:verify_identity_access:11.0.3:*:*:*:*:*:*:*Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
IBM Security Verify Access versions 10.0 through 10.0.9.2 and IBM Verify Identity Access versions 11.0 through 11.0.3 contain a deserialization of untrusted data vulnerability (CWE-502). This flaw allows a remote attacker with no privileges and no user interaction to execute arbitrary code on the affected system. The vulnerability is publicly known and assigned CVE-2026-78401 with a CVSS v3.1 score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
Potential Impact
Successful exploitation of this vulnerability could lead to complete compromise of the affected system, including full control over confidentiality, integrity, and availability. The attacker can execute arbitrary code remotely without authentication or user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the available data. Users should monitor IBM advisories for updates and apply patches once available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-08-24T14:20:21.881Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ac808d42cdf04f65634c932
Added to database: 10/08/2026, 21:19:16 UTC
Last enriched: 10/08/2026, 21:33:21 UTC
Last updated: 10/08/2026, 21:34:39 UTC
Views: 9
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