Is CVE-2026-81540 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-81540?

CVE-2026-81540 has a CVSS v3 severity of HIGH (8.5).

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CVE-2026-81540

Description

IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated attacker to overwrite ruleset files belonging to other tenants due to a path traversal vulnerability.