Affects IBM DataStage on Cloud Pak for Data, a widely used enterprise data-integration platform; a CRITICAL DoS can disrupt enterprise ETL pipelines and services.
CVE-2026-82101
Path traversal allows authenticated DoS in IBM DataStage on Cloud Pak for Data.
Is CVE-2026-82101 being exploited?
Not confirmed. CVE-2026-82101 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.40% probability of exploitation in the next 30 days.
How severe is CVE-2026-82101?
CVE-2026-82101 is rated Critical with a CVSS score of 9.6. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-82101?
Yes. A fix has been recorded for CVE-2026-82101. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-82101 affect?
CVE-2026-82101 affects IBM DataStage on Cloud Pak for Data 5.4.0.0, Cloud Pak for Data deployments running DataStage. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-82101?
Apply vendor patch/upgrade to fixed version immediately; restrict access and enforce authentication.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote authenticated attacker can exploit path traversal to cause denial of service, crashing or disrupting DataStage services and ETL pipelines.
Immediate action required
- affected5.4.0.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.