CVE-2026-16480— IBM® Db2® is affected by an improper authorization vulnerability in the certain command, allowing a non-privileged user to bypass authority checks and modify database catalog data.
Quick assessment
Affected
IBM Db2
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 DB2是美国IBM公司的一款企业级关系型数据库管理系统。 IBM DB2 11.5.0至11.5.9版本和12.1.0至12.1.5版本存在处理逻辑错误漏洞，该漏洞源于命令存在授权不当，可能允许非特权用户绕过权限检查并修改数据库目录数据。
Possible ATT&CK Techniques 1 AI
T1078 · Valid Accounts
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I. Basic Information for CVE-2026-16480
Vulnerability Information
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Vulnerability Title
IBM® Db2® is affected by an improper authorization vulnerability in the certain command, allowing a non-privileged user to bypass authority checks and modify database catalog data.
Source: CVE Program / CVE List V5
Vulnerability Description
IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is affected by an improper authorization vulnerability in the certain command, allowing a non-privileged user to bypass authority checks and modify database catalog data.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端安全的客户端实施
Source: CVE Program / CVE List V5
Vulnerability Title
IBM DB2 处理逻辑错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM DB2是美国IBM公司的一款企业级关系型数据库管理系统。 IBM DB2 11.5.0至11.5.9版本和12.1.0至12.1.5版本存在处理逻辑错误漏洞，该漏洞源于命令存在授权不当，可能允许非特权用户绕过权限检查并修改数据库目录数据。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-16480
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Vendor Advisories for CVE-2026-16480 (1)
Same Patch Batch · IBM · 2026-08-12 · 68 CVEs total
| CVE-2024-27253 | 10.0 CRITICAL | IBM Engineering Requirements Management DOORS Next is impacted by vulnerability in Reviews |
| CVE-2026-16860 | 9.9 CRITICAL | IBM i is Affected By Remote Code Execution Vulnerability [] |
| CVE-2026-16956 | 9.8 CRITICAL | IBM Db2 Mirror for i is vulnerable to OS command injection [] |
| CVE-2026-17218 | 9.8 CRITICAL | IBM i is Affected By Remote Code Execution Vulnerability in Line Printer Daemon [] |
| CVE-2026-17083 | 9.8 CRITICAL | IBM i is Affected By Multiple Vulnerabilities in the Debug Server |
| CVE-2026-17276 | 9.6 CRITICAL | IBM i is Affected By Multiple Vulnerabilities in Navigator for i |
| CVE-2026-18099 | 8.9 HIGH | IBM i is Affected By Multiple Vulnerabilities in Navigator for i |
| CVE-2026-17110 | 8.8 HIGH | IBM i is Affected By Multiple Vulnerabilities in SQL |
| CVE-2026-17082 | 8.8 HIGH | IBM i is Affected By Multiple Vulnerabilities in the Debug Server |
| CVE-2026-18683 | 8.8 HIGH | IBM i is Affected By privilege escalation in Navigator for i |
| CVE-2026-18847 | 8.8 HIGH | IBM i is Affected By Multiple Vulnerabilities in Navigator for i |
| CVE-2026-17417 | 8.8 HIGH | IBM i is Affected By Remote Code Execution Vulnerabilities [, ] |
| CVE-2026-13361 | 8.8 HIGH | IBM Informix Server Vulnerability in SQL Interface Handler Could Allow Remote Code Executi |
| CVE-2026-13105 | 8.8 HIGH | IBM i Access Client Solutions (ACS) is Affected By Multiple Vulnerabilities |
| CVE-2026-17642 | 8.8 HIGH | IBM i is Affected By Remote Code Execution Vulnerabilities [, ] |
| CVE-2026-18669 | 8.8 HIGH | IBM i is Affected By A Privilege Escalation Vulnerability [] |
| CVE-2026-16906 | 8.8 HIGH | IBM i is Affected By Multiple Vulnerabilities in Domain Name System |
| CVE-2026-16856 | 8.8 HIGH | IBM i is Affected By Multiple Vulnerabilities in Domain Name System |
| CVE-2026-18713 | 8.8 HIGH | IBM i is Affected By Multiple Vulnerabilities in Navigator for i |
| CVE-2026-12004 | 8.7 HIGH | Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Ve |
Showing top 20 of 68 CVEs. View all on vendor page → →
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V. Comments for CVE-2026-16480
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