CVE-2026-84418DataStage on Cloud Pak for Data Improper Certificate Validation
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It affects IBM DataStage on Cloud Pak for Data. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.14%, higher than 3% of scored CVEs.
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IBM DataStage on Cloud Pak for Data 5.4.0.0 can allow a man-in-the-middle attacker to present a forged TLS certificate, intercept the connection, and capture the IAM bearer Authorization header automatically attached by the session adapter. The captured token grants full platform-scope tenant API access, enabling the attacker to read and manipulate the victim's DataStage projects, flows, assets, and pipeline definitions. This is client-side SDK code running on the user's own machine, so exploitation requires an external network interceptor rather than a co-tenant in the shared cluster.
- CVSS
- 7.4 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- Weakness (CWE)
- CWE-295
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.14% (percentile 3)
- Assigned by
- ibm
- NVD analysis
- Analyzed
- Record last updated
- Oct 12, 2026
- First seen by InfoSec Signals
- Oct 12, 2026
Affected products
IBM DataStage on Cloud Pak for Data ibm:datastage_on_cloud_pak_for_data | 5.4.0.0 | CNA record |
ibm datastage_on_cloud_pak_for_data ibm:datastage_on_cloud_pak_for_data | 5.4.0 | NVD |
References
- https://www.ibm.com/support/pages/node/7288649vendor-advisory, patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.