CVE-2026-81657: CWE-502 Deserialization of Untrusted Data in IBM Guardium Data Protection
IBM Guardium Data Protection version 12.2 contains a critical vulnerability (CVE-2026-81657) involving the deserialization of untrusted data. This flaw allows a remote unauthenticated attacker to execute arbitrary code on the affected system. The vulnerability has a high CVSS score of 9.8, indicating severe impact on confidentiality, integrity, and availability.
AI Analysis
Technical Summary
CVE-2026-81657 is a deserialization vulnerability (CWE-502) in IBM Guardium Data Protection 12.2. It enables remote unauthenticated attackers to execute arbitrary code by exploiting unsafe deserialization of untrusted data. The vulnerability is rated critical with a CVSS 3.1 base score of 9.8, reflecting network attack vector, low attack complexity, no privileges required, no user interaction, and full impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation of this vulnerability allows an attacker to execute arbitrary code remotely without authentication, potentially leading to full system compromise, data theft, or disruption of services on IBM Guardium Data Protection 12.2.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
CVE-2026-81657: CWE-502 Deserialization of Untrusted Data in IBM Guardium Data Protection
Description
IBM Guardium Data Protection version 12.2 contains a critical vulnerability (CVE-2026-81657) involving the deserialization of untrusted data. This flaw allows a remote unauthenticated attacker to execute arbitrary code on the affected system. The vulnerability has a high CVSS score of 9.8, indicating severe impact on confidentiality, integrity, and availability.
CVSS v3.1
Score 9.8critical
Affected software
IBM
Guardium Data Protection
pkg:maven/com.ibm/guardium_data_protectioncpe:2.3:a:ibm:guardium_data_protection:12.2:*:*:*:*:*:*:*cpe:2.3:a:ibm:guardium_data_protection:12.2.0:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-81657 is a deserialization vulnerability (CWE-502) in IBM Guardium Data Protection 12.2. It enables remote unauthenticated attackers to execute arbitrary code by exploiting unsafe deserialization of untrusted data. The vulnerability is rated critical with a CVSS 3.1 base score of 9.8, reflecting network attack vector, low attack complexity, no privileges required, no user interaction, and full impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation of this vulnerability allows an attacker to execute arbitrary code remotely without authentication, potentially leading to full system compromise, data theft, or disruption of services on IBM Guardium Data Protection 12.2.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-08-27T09:52:12.824Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aadb76e55bf5e2cf59e63ee
Added to database: 09/18/2026, 22:13:02 UTC
Last enriched: 09/18/2026, 22:13:58 UTC
Last updated: 09/19/2026, 04:01:24 UTC
Views: 7
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