Vulnerability · Published Oct 12, 2026 · Assigned by ibm
CVE-2026-18166IBM® Db2® is vulnerable to arbitrary library loading via the CREATE WRAPPER command, allowing a privileged database user to read sensitive files from the host filesystem
High 7.7
In plain English
A high-severity improper access control 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 0.2% (higher than 16% of all known vulnerabilities).
Severity (CVSS 3.1)7.7High
Exploit odds (30 days)0.2%top 83.7% 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 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow a remote authenticated attacker to obtain sensitive information due to improper authorization when using the CREATE WRAPPER command.
Affected products (as reported)
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
References
- https://www.ibm.com/support/pages/node/7291606 vendor-advisory, patch