Vulnerability · Published Sep 14, 2026 · Assigned by ibm

CVE-2026-16702IBM® Db2® federated server could allow a remote authenticated attacker to cause a denial of service due to a null pointer dereference

Medium 6.5

In plain English

A medium-severity null pointer dereference 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 a null pointer dereference.

Affected products (as reported)

Vendor	Product	Versions
IBM	Db2	11.5.0 – through 11.5.912.1.0 – through 12.1.5

Weakness: CWE-476 · 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/7286981 vendor-advisory, patch