Vulnerability · Published Sep 14, 2026 · Assigned by ibm
CVE-2026-17463IBM® Db2® could allow a remote authenticated attacker to cause a denial of service due to uncontrolled resource consumption
Medium 6.5
In plain English
A medium-severity uncontrolled resource consumption 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 0.5% (higher than 42% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.5%top 57.7% 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 cause a denial of service due to uncontrolled resource consumption.
Affected products (as reported)
Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
References
- https://www.ibm.com/support/pages/node/7286983 vendor-advisory, patch