---
id: CVE-2026-81657
title: >-
  IBM Guardium Data Protection 12.2 could allow a remote unauthenticated
  attacker to execute arbitrary code on the system due to the deserialization of
  untrusted data.
summary: >-
  IBM Guardium Data Protection 12.2 could allow a remote unauthenticated
  attacker to execute arbitrary code on the system due to the deserialization of
  untrusted data.
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-502
vendor: IBM
product: Guardium Data Protection
affected:
  - guardium_data_protection 12.2
published: '2026-09-18'
updated: '2026-09-23'
sourceUpdated: '2026-09-23T04:17:48.700'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-81657'
references:
  - url: 'https://www.ibm.com/support/pages/node/7288040'
    label: psirt@us.ibm.com
tags:
  - nvd
  - cve.org
epss: 0.00849
epssPercentile: 0.56349
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-09-22T15:37:21.990107Z'
ingestedAt: '2026-09-18T19:49:30.592Z'
---

## Overview

IBM Guardium Data Protection 12.2 could allow a remote unauthenticated attacker to execute arbitrary code on the system due to the deserialization of untrusted data.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.