CVE-2026-109839 IBM Db2 Genius Hub Missing Cryptographic Step
Remote authenticated attackers can bypass security restrictions in IBM Db2 Genius Hub due to a missing initialization vector in the cryptographic algorithm.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-109839?
CVE-2026-109839 is a low-severity vulnerability in IBM Db2 Genius Hub, published on 16 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-325
Which versions are affected by CVE-2026-109839?
How do I fix CVE-2026-109839?
No fix has been published for CVE-2026-109839 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-109839 being exploited?
There is no known exploitation of CVE-2026-109839 in the wild and no public exploit code.
Sources
Also known as GHSA-rr46-f8x3-2r25.