High severity · published Oct 12, 2026
CVE-2026-18166
IBM® 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
7.7
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DB
Db2 · IBM
11.5.0 through 11.5.9; 12.1.0 through 12.1.5 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-18166
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-18166
vendor-advisory
https://www.ibm.com/support/pages/node/7291606
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