CVE-2023-28955: IBM Watson Knowledge Catalog denial of service

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-07-10 · updated 2026-06-17
Weakness: CWE-20

Description

IBM Watson Knowledge Catalog on Cloud Pak for Data 4.0 could allow an authenticated user send a specially crafted request that could cause a denial of service. IBM X-Force ID: 251704.

Affected products

IBM Watson Knowledge Catalog on Cloud Pak for Data: from 4.0 before 4.7 — fixed in 4.7

How to fix

Upgrade to a fixed version: IBM Watson Knowledge Catalog on Cloud Pak for Data 4.7. Check the vendor advisory for mitigations.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/251704
https://www.ibm.com/support/pages/node/7009747
https://exchange.xforce.ibmcloud.com/vulnerabilities/251704
https://www.ibm.com/support/pages/node/7009747

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