What is CVE-2026-109839?

CVE-2026-109839 is a low-severity vulnerability in IBM Db2 Genius Hub, classified under Missing Cryptographic Step. CVSS score: 3.1/10. Published 2026-10-16.

How severe is CVE-2026-109839?

Low severity. CVSS v3 base score is 3.1 out of 10.

Vulnerability in IBM Db2 Genius Hub

CVE-2026-109839

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.

Published 2026-10-16 · last modified 2026-10-16.

CVSS v3 metric

CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

IBM Db2 Genius Hub — versions 1.0

Weakness classification (CWE)

CWE-325 — Missing Cryptographic Step

References

www.ibm.com/support/pages/node/7292486 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-109839?: CVE-2026-109839 is a low-severity vulnerability in IBM Db2 Genius Hub, classified under Missing Cryptographic Step. CVSS score: 3.1/10. Published 2026-10-16.
How severe is CVE-2026-109839?: Low severity. CVSS v3 base score is 3.1 out of 10.