CVE-2026-84884 IBM Guardium Data Protection - Authentication Bypass

IBM Guardium Data Protection 12.2 contains a broken authentication caused by storing internal REST service-account passwords in reversible plaintext-equivalent format, letting authenticated attackers recover passwords and obtain administrative REST access tokens, exploit requires authentication.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.24% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Privilege Escalation, Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
25 September 2026
Updated
15 October 2026
Weakness
CWE-256

Vendor fix

Update to the latest version with secure password storage.

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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