# CVE-2026-109838: IBM Db2 Genius Hub cryptographic signature verification flaw

Source: https://junglewise.ai/threats/cve-2026-109838-ibm-db2-genius-hub-1-0-could-allow-a-local-attacker-to-obtain  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-16. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-109838 · Severity: medium · CVSS 5.1 · Published 2026-10-16

IBM Db2 Genius Hub is a data management and analytics platform used by enterprises to manage database environments. A local attacker can exploit improper cryptographic signature verification to access sensitive information without authorization. The vulnerability requires local access to the system and can lead to disclosure of confidential data with partial integrity impact.

Technologies: [IBM Db2 Genius Hub](https://junglewise.ai/threats/technologies/db2-genius-hub). Vendors: [IBM](https://junglewise.ai/threats/vendors/ibm).

## Quick answers

**Is CVE-2026-109838 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-109838 being exploited in the wild.

**How severe is CVE-2026-109838?** Medium severity, with a CVSS score of 5.1, published 16 October 2026.

**Which products and versions are affected?** IBM Db2 Genius Hub 1.0.

**Is there a fix for CVE-2026-109838?** Yes: fixed in 1.1.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-109838 attacked?** It is attacked with local access, in a software library.

**Am I affected by CVE-2026-109838?** Check whether you run IBM Db2 Genius Hub at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in 1.1.0

## Technical details

A weakness in cryptographic signature verification (CWE-347) in IBM Db2 Genius Hub 1.0 allows a local attacker to obtain sensitive information. The vulnerability requires no privileges or user interaction and affects the confidentiality and integrity of the system. A fix is available in version 1.1.0.

## Affected products

- IBM Db2 Genius Hub 1.0

## Timeline

- 2026-10-16: disclosed

## References

- [https://www.ibm.com/support/pages/node/7292486](https://www.ibm.com/support/pages/node/7292486)

## Related threats

- [IBM Db2 Genius Hub denial of service in resource validation](https://junglewise.ai/threats/cve-2026-110283-ibm-db2-genius-hub-1-1-2-1-1-3-1-1-4-1-1-5-could-allow-a-remote)
- [IBM Db2 Genius Hub access control bypass](https://junglewise.ai/threats/cve-2026-110282-ibm-db2-genius-hub-1-1-2-1-1-3-1-1-4-1-1-5-could-allow-a-remote)
- [IBM Db2 Genius Hub TLS certificate validation bypass](https://junglewise.ai/threats/cve-2026-110281-ibm-db2-genius-hub-1-1-2-1-1-3-1-1-4-1-1-5-improperly-validates)
- [IBM Db2 Genius Hub information disclosure due to missing cryptographic step](https://junglewise.ai/threats/cve-2026-108910-ibm-db2-genius-hub-1-1-2-1-1-3-1-1-4-1-1-5-could-allow-a-remote)
- [IBM Db2 Genius Hub HTTP response splitting in header handling](https://junglewise.ai/threats/cve-2026-108767-ibm-db2-genius-hub-1-1-2-1-1-3-1-1-4-1-1-5-could-allow-a-remote)