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MEDIUM · 4.3

CVE-2026-16480

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is affected by an improper authorization vulnerability in the certain command, allowing a non-privileged user to bypass authority checks and mo...

Vulnerability Description

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is affected by an improper authorization vulnerability in the certain command, allowing a non-privileged user to bypass authority checks and modify database catalog data.

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
IbmDb2>= 11.5, <= 11.5.9

Related Weaknesses (CWE)

CWE-602

References

FAQ

What is CVE-2026-16480?

CVE-2026-16480 is a vulnerability with a CVSS score of 4.3 (MEDIUM). IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is affected by an improper authorization vulnerability in the certain command, allowing a non-privileged user to bypass authority checks and mo...

How severe is CVE-2026-16480?

CVE-2026-16480 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-16480?

Check the references section above for vendor advisories and patch information. Affected products include: Ibm Db2.