Vulnerability · Published May 27, 2026 · Assigned by ibm
CVE-2026-1718IBM® Db2® is vulnerable to a denial of service with a specially crafted query when running an AUTONOMOUS procedure
High 7.1
In plain English
A high-severity resource allocation without limits 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 0.4% (higher than 30% of all known vulnerabilities).
Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.4%top 69.9% 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 12.1.4 is vulnerable to a denial of service with a specially crafted query when autonomous transactions are enabled.
Affected products (as reported)
Weakness: CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
References
- https://www.ibm.com/support/pages/node/7273555 vendor-advisory, patch