CVSS 3.1
6.5 mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:NCVE-2026-3684 ibm cloud pak for data system: Incorrect Privilege Assignment
Medium (6.5) in ibm cloud pak for data system. EPSS 0.3% estimated probability of exploitation activity in the next 30 days.
IBM Cloud Pak for Data System 11.3.1.2 Interim Fix 001 through - 11.3.1.2 Interim Fix 002 could allow a user with administrative privileges to read and write arbitrary files on the system due to incorrect permission assignments.
Severity
- EPSS
- 0.3% estimated probability of exploitation activity in the next 30 days; 22nd percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
- CISA's assessment (SSVC)
- Exploitation: none · Automatable: no · Technical impact: total, assessed 2026-11-09. From CISA's Vulnrichment in the CVE List: whether it is exploited, whether exploiting it can be automated, and how much control it gives.
- CWE
- CWE-266 Incorrect Privilege Assignment
- OWASP Top 10
- A06:2025 Insecure Design
- Published
- Modified
- Assigned by
- ibm (CNA)
- NVD analysis
- Awaiting analysis
- Record from
- the NVD, synced
Ask an AI about this CVE
Show the prompt
Explain CVE-2026-3684 for an engineer deciding whether to act. Use https://cve.bz/api/public/cves/CVE-2026-3684?via=ask-ai-copy and https://cve.bz/cve/CVE-2026-3684?via=ask-ai-copy as the source of truth: what is affected and which versions fix it, whether it is in CISA KEV, public exploits, and its EPSS (an internet-wide 30-day estimate of exploitation activity, not a forecast for my systems). If they give no fixed versions, use the CVE record https://cveawg.mitre.org/api/cve/CVE-2026-3684 or the vendor advisory, not third-party mirrors. Tell me how to check whether I am affected and how to verify a fix. Cite the sources and say where they are uncertain.Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this CVE's id and public links.
Badge for a README or a site
An image that stays current: it is drawn from the data each time it is fetched (a host that proxies images, as GitHub does, may show its copy for a while). Markdown:
[](https://cve.bz/cve/CVE-2026-3684)
HTML:
<a href="https://cve.bz/cve/CVE-2026-3684"><img src="https://cve.bz/cve/badge/CVE-2026-3684.svg" alt="CVE-2026-3684"></a>
Affected
- ibm:cloud pak for data system
Versions
From the CNA's record in the CVE List.
| Product | Affected |
|---|---|
| IBM Cloud Pak for Data System | from 11.3.1.2 Interim Fix 001 through 11.3.1.2 Interim Fix 002 |