CVE-2026-3684: IBM Cloud Pak for Data System · Incorrect Privilege Assignment
Affects IBM Cloud Pak for Data SystemSource CVE Database V5
Not known to be exploited · CVSS 6.5 Medium.
Data as of 8 Nov 2026, 18:49 UTC
Thin evidence
One scorer or none| CNA (ibm) | CVSS 3.1 | 6.5 |
|---|
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 8 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 8 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| IBMCloud Pak for Data System | Affected
| Fixed in– |
CPE configurations (2)
cpe:2.3:a:ibm:cloud_pak_for_data_system:11.3.1.2:interim_fix_001:*:*:*:*:*:*cpe:2.3:a:ibm:cloud_pak_for_data_system:11.3.1.2:interim_fix_002:*:*:*:*:*:*
AI-suggested
Until a fix is available, restrict administrative access to trusted personnel only and monitor for any unauthorized file access or modification.
Description
CVE-2026-3684 is a vulnerability in IBM Cloud Pak for Data System versions 11.3.1.2 Interim Fix 001 through 11.3.1.2 Interim Fix 002. It allows users with administrative privileges to read and write arbitrary files on the system due to incorrect permission assignments. The flaw impacts confidentiality and integrity but does not affect availability.