CVE-2026-84418 IBM DataStage - Man-in-the-Middle

IBM DataStage on Cloud Pak for Data 5.4.0.0 contains a man-in-the-middle vulnerability caused by acceptance of forged TLS certificates in client-side SDK, letting attackers intercept authorization tokens and access tenant APIs, exploit requires network interception.

CVSS base score 7.4 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.14% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Man-in-the-Middle
Impact
Man In The Middle, Information Disclosure, Data Tampering
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Published
12 October 2026
Updated
15 October 2026
Weakness
CWE-295

Vendor fix

Update to the latest version with TLS certificate validation fixes.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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