# CVE-2026-105465: IBM Db2 privilege escalation with db2locssh enabled

Source: https://junglewise.ai/threats/cve-2026-105465-ibm-db2-11-5-0-through-11-5-9-and-12-1-0-through-12-1-5-is  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-12. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-105465 · Severity: high · CVSS 8.8 · Published 2026-10-12

IBM Db2 is a database management system used to store and retrieve critical business data. When the db2locssh remote shell feature is enabled, an authenticated local user can escalate their privileges to gain full control over the database instance and its data. This could lead to unauthorized access, modification, or destruction of sensitive information.

Technologies: [IBM Db2](https://junglewise.ai/threats/technologies/db2). Vendors: [IBM](https://junglewise.ai/threats/vendors/ibm).

## Quick answers

**Is CVE-2026-105465 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-105465 being exploited in the wild.

**How severe is CVE-2026-105465?** High severity, with a CVSS score of 8.8, published 12 October 2026.

**Which products and versions are affected?** IBM Db2 11.5.0 through 11.5.9, 12.1.0 through 12.1.5.

**Is there a fix for CVE-2026-105465?** Yes: fixed in V11.5: Security Update #94236 or later for V11.5.9; V12.1: Security Update #94722 or later for V12.1.4 and Security Update #94858 or later for V12.1.5. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-105465 attacked?** It is attacked with local access, in a hosted service.

**Am I affected by CVE-2026-105465?** Check whether you run IBM Db2 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 V11.5: Security Update #94236 or later for V11.5.9; V12.1: Security Update #94722 or later for V12.1.4 and Security Update #94858 or later for V12.1.5

## Technical details

The vulnerability is an improper privilege management flaw (CWE-269) in the db2locssh component when enabled on the db2 instance. It requires local access with existing user privileges but no user interaction. A successful exploit allows privilege escalation to gain elevated database access. Fixes are available in security updates for affected versions.

## Affected products

- IBM Db2 11.5.0 through 11.5.9, 12.1.0 through 12.1.5

## Timeline

- 2026-10-08: disclosed

## References

- [https://www.ibm.com/support/pages/node/7291609](https://www.ibm.com/support/pages/node/7291609)

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