CVE-2023-33854 Multiple vulnerabilities affect IBM Db2® on Cloud Pak for Data, and Db2 Warehouse on Cloud Pak for Data.

What is CVE-2023-33854?

CVE-2023-33854 is a medium-severity vulnerability in Ibm Db2, published on 22 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM Db2 on Cloud Pak for Data and Db2 Warehouse on Cloud Pak for Data versions 4.8, 5.0, 5.1, 5.2, and 5.3 could allow an authenticated user to bypass client-side validation and manipulate input data using man in the middle techniques.

Weakness: CWE-294

Which versions are affected by CVE-2023-33854?

It affects 2 products.

Products include Ibm Db2, Ibm Db2 Warehouse.

How do I fix CVE-2023-33854?

No fix has been published for CVE-2023-33854 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-33854 being exploited?

There is no known exploitation of CVE-2023-33854 in the wild and no public exploit code.

Other vulnerabilities in Ibm Db2

• CVE-2012-1797 IBM DB2 9.5 uses world-writable permissions for nodes.reg, which has unspecified impact and attack vectors. Critical 10.0
• CVE-2010-3731 Memory corruption in n/a Critical 10.0
• CVE-2010-3193 Other in n/a Critical 10.0
• CVE-2009-4335 Other in n/a Critical 10.0
• CVE-2009-3473 Missing authorization in n/a Critical 10.0

All Ibm Db2 vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-59h5-xxx5-jrm9.