# CVE-2026-81549

Auth'd header validation flaw in IBM DataStage can expose sensitive data.

- Page: https://www.vulneraibility.com/cve/CVE-2026-81549
- CVSS: 9.6
- Known exploited: not in CISA KEV as of our last sync
- EPSS: 0.26% (percentile 18.3)
- CISA SSVC: exploitation none, automatable no, technical impact total (assessed 2026-09-24)
- Weakness: CWE-918
- Published: 2026-09-24

## Affected versions

- IBM DataStage on Cloud Pak for Data: affected 5.4.0.0

A version outside these ranges is not a statement that it is unaffected.

## Impact

Remote authenticated attacker can abuse X-Forwarded-Proto validation to retrieve sensitive information (SSRF/info disclosure).

## Action

Patch when possible

## Recommendation

Apply vendor update when available; restrict access and validate/strip X-Forwarded-Proto at proxies

## References

- [patch] https://www.ibm.com/support/pages/node/7288649

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.