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CVE-2026-84276— IBM Guardium Data Protection Denial of Service

Quick assessment

Affected
IBM Guardium Data Protection
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

IBM Guardium Data Protection 12.2.2 存在拒绝服务漏洞，位于 edge-controller 组件中。未经身份验证的远程攻击者，若具备对 edge-controller gRPC 服务的网络访问权限，可通过提供格式错误的任务数据，触发未检查的类型断言（unchecked type assertion），从而导致 edge-controller 进程意外终止。

CVSS 7.5 · High

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

VendorProduct Version RangeStatus
IBM Guardium Data Protection 12.2.2 affected
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I. Basic Information for CVE-2026-84276

Vulnerability Information
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Vulnerability Title
IBM Guardium Data Protection Denial of Service
Source: CVE Program / CVE List V5
Vulnerability Description
IBM Guardium Data Protection 12.2.2 is affected by a denial-of-service vulnerability in the edge-controller. An unauthenticated remote attacker with network access to the edge-controller gRPC service can provide malformed task data that triggers an unchecked type assertion, causing the edge-controller process to terminate unexpectedly.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
IBM Guardium Data Protection 12.2.2 cpe:2.3:a:ibm:guardium_data_protection:12.2.2:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-84276

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III. Intelligence Information for CVE-2026-84276

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Other References for CVE-2026-84276 (1)

Same Patch Batch · IBM · 2026-10-08 · 93 CVEs total

CVE-2026-80381 9.8 CRITICAL Multiple vulnerabilities affect the Sniffer component as part of IBM Guardium Data Protect
CVE-2026-84249 9.8 CRITICAL IBM Guardium Data Protection is affected by vulnerability
CVE-2026-15762 9.8 CRITICAL IBM DataPower Gateway Out-of-bounds Write
CVE-2026-14991 9.8 CRITICAL IBM DataPower Gateway Out-of-bounds Write
CVE-2026-14992 9.8 CRITICAL IBM DataPower Gateway Out-of-bounds Write
CVE-2026-14502 9.8 CRITICAL IBM DataPower Gateway Improper Authentication
CVE-2026-78401 9.8 CRITICAL Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Ve
CVE-2026-78406 9.8 CRITICAL Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Ve
CVE-2026-14269 9.8 CRITICAL IBM DataPower Gateway Buffer Overflow
CVE-2026-16340 9.8 CRITICAL IBM DataPower Gateway Out-of-bounds Write
CVE-2026-84272 9.8 CRITICAL IBM Guardium Data Protection Missing Authentication
CVE-2026-75875 9.8 CRITICAL Multiple vulnerabilities affect the Sniffer component as part of IBM Guardium Data Protect
CVE-2026-84244 9.3 CRITICAL IBM Guardium Data Protection Cross-Site Scripting
CVE-2026-14990 9.3 CRITICAL IBM DataPower Gateway affected by cross-site scripting
CVE-2026-19491 9.1 CRITICAL Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Ve
CVE-2026-16916 9.1 CRITICAL Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Ve
CVE-2026-16823 9.1 CRITICAL Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Ve
CVE-2026-18740 8.8 HIGH Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Ve
CVE-2026-19482 8.8 HIGH Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Ve
CVE-2026-16163 8.6 HIGH IBM DataPower Gateway Out-of-bounds Write

Showing top 20 of 93 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Guardium Data Protection
Same vendor: IBM
Same weakness: CWE-400

V. Comments for CVE-2026-84276

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