CVE-2026-109839— IBM Db2 Genius Hub Missing Cryptographic Step
Quick assessment
Affected
IBM Db2 Genius Hub
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 Genius Hub 1.0 可能允许经过身份验证的远程攻击者，由于加密算法中缺少初始化向量（IV），从而绕过安全限制。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| IBM | Db2 Genius Hub | 1.0 |
affected |
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I. Basic Information for CVE-2026-109839
Vulnerability Information
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Vulnerability Title
IBM Db2 Genius Hub Missing Cryptographic Step
Source: CVE Program / CVE List V5
Vulnerability Description
IBM Db2 Genius Hub 1.0 could allow a remote authenticated attacker to bypass security restrictions due to a missing initialization vector in the cryptographic algorithm.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
缺少必要的密码学步骤
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| IBM | Db2 Genius Hub | 1.0 | - |
|
II. Public POCs for CVE-2026-109839
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-109839 (1)
-
🔗 Security Bulletin: Multiple vulnerabilities that affects IBM Db2 Genius Hub (Db2IC) vendor-advisory patch
Same Patch Batch · IBM · 2026-10-16 · 9 CVEs total
| CVE-2026-102917 | 7.8 HIGH | IBM i is Affected By An Improper Privilege Management Vulnerability |
| CVE-2026-17068 | 5.4 MEDIUM | IBM i is Affected By Improper Authorization and Access Control Vulnerabilities in Network |
| CVE-2026-17073 | 5.4 MEDIUM | IBM i is Affected By Improper Authorization and Access Control Vulnerabilities in Network |
| CVE-2026-17491 | 5.4 MEDIUM | IBM i is Affected By An Improper Privilege Management Vulnerability in OpenSSH |
| CVE-2026-107674 | 5.1 MEDIUM | IBM i is Affected by a Denial of Service in Digital Certificate Manager |
| CVE-2026-109838 | 5.1 MEDIUM | IBM Db2 Genius Hub Improper verification of cryptographic signature |
| CVE-2026-17488 | 4.3 MEDIUM | IBM i is Affected By An Improper Authentication Vulnerability in SST / DST |
| CVE-2026-17275 | 3.7 LOW | IBM i is Affected by an Improper Validation Vulnerability |
IV. Related Vulnerabilities
Same vendor: IBM
-
CVE-2026-17068
IBM i is Affected By Improper Authorization and Access Contr -
CVE-2026-17073
IBM i is Affected By Improper Authorization and Access Contr -
CVE-2026-17275
IBM i is Affected by an Improper Validation Vulnerability -
CVE-2026-17488
IBM i is Affected By An Improper Authentication Vulnerabilit -
CVE-2026-17491
IBM i is Affected By An Improper Privilege Management Vulner
Same weakness: CWE-325
-
CVE-2026-101294
IBM WebSphere Application Server and WebSphere Application S -
CVE-2026-16000
KCcmBlockCipher (DSTU 7624 CCM) tag not bound to nonce when -
CVE-2026-81235
Dell Wyse Management Suite 2605.0.3.683前版本密码学缺陷 -
CVE-2026-25250
Microsoft Windows Secure Boot 安全漏洞 -
CVE-2026-76784
Insufficient Cryptographic Protections in Local Device Commu
V. Comments for CVE-2026-109839
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