Vulnerability · Published Aug 12, 2026 · Assigned by ibm
CVE-2026-16480IBM® Db2® 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.
Medium 4.3
In plain English
A medium-severity security flaw in Db2 from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 27% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.3%top 73.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-602 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
References
- https://www.ibm.com/support/pages/node/7282951 vendor-advisory, patch