CVE-2026-84271— IBM Guardium Data Protection Signature Verification Bypass
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 存在漏洞，补丁安装程序中的签名验证可被绕过。拥有本地访问权限的攻击者利用该漏洞，能够以 root 权限执行任意代码。
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege EscalationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| IBM | Guardium Data Protection | 12.2 |
affected |
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I. Basic Information for CVE-2026-84271
Vulnerability Information
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Vulnerability Title
IBM Guardium Data Protection Signature Verification Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
IBM Guardium Data Protection 12.2 is vulnerable to a signature verification bypass in the patch installer. An attacker with local access could exploit this vulnerability to execute arbitrary code with root privileges.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用共享资源的并发执行不恰当同步问题(竞争条件)
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| IBM | Guardium Data Protection | 12.2 |
cpe:2.3:a:ibm:guardium_data_protection:12.2:*:*:*:*:*:*:*
|
|
II. Public POCs for CVE-2026-84271
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2026-84271 (1)
Same Patch Batch · IBM · 2026-10-08 · 93 CVEs total
| CVE-2026-16340 | 9.8 CRITICAL | IBM DataPower Gateway Out-of-bounds Write |
| CVE-2026-75875 | 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-2026-78401 | 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-2026-84272 | 9.8 CRITICAL | IBM Guardium Data Protection Missing Authentication |
| CVE-2026-14269 | 9.8 CRITICAL | IBM DataPower Gateway Buffer Overflow |
| CVE-2026-14502 | 9.8 CRITICAL | IBM DataPower Gateway Improper Authentication |
| CVE-2026-14992 | 9.8 CRITICAL | IBM DataPower Gateway Out-of-bounds Write |
| CVE-2026-14991 | 9.8 CRITICAL | IBM DataPower Gateway Out-of-bounds Write |
| CVE-2026-15762 | 9.8 CRITICAL | IBM DataPower Gateway Out-of-bounds Write |
| CVE-2026-80381 | 9.8 CRITICAL | Multiple vulnerabilities affect the Sniffer component as part of IBM Guardium Data Protect |
| CVE-2026-14990 | 9.3 CRITICAL | IBM DataPower Gateway affected by cross-site scripting |
| CVE-2026-84244 | 9.3 CRITICAL | IBM Guardium Data Protection Cross-Site Scripting |
| CVE-2026-16823 | 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-2026-19491 | 9.1 CRITICAL | 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-2026-18740 | 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
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CVE-2026-75875
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CVE-2026-81932
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CVE-2026-81932
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Same weakness: CWE-362
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V. Comments for CVE-2026-84271
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