Multiple vulnerabilities affect IBM Db2® on Cloud Pak for Data, and Db2 Warehouse on Cloud Pak for Data.

published 2026-06-22 4 mo ago modified 2026-09-26 43 d ago also EUVD-2023-60595

cvss: 5.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 16%
public exploits: 0; none known

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.

Patch / fix

fixed in 2 links 1

ibm db2 5.4
ibm db2_warehouse 5.4

ibm.com/support/pages/node/7277112 advisory

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 4 mo ago (2026-06-23)

Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.3	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N

Affected products

IBM Db2 on Cloud Pak for Data and Db2 Warehouse on Cloud Pak for Data

Classification

Weakness

CWE-294 Authentication Bypass by Capture-replay

Technology feeds

IBM Db2 rss critical rss

References

ibm.com /support/pages/node/7277112
vendor-advisory, patch

Sources

CVE List CVE-2023-33854
NVD CVE-2023-33854

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary