Low severity · published Oct 16, 2026
CVE-2026-109839
IBM Db2 Genius Hub Missing Cryptographic Step
3.1
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DG
Db2 Genius Hub · IBM
1.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-109839
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-109839
www.ibm.com
https://www.ibm.com/support/pages/node/7292486
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5.1
CVE-2026-109838
IBM Db2 Genius Hub Improper verification of cryptographic signature