CVE-2026-1352: IBM® Db2® is vulnerable to a trap or return SQLCODE -901 when compiling a specially crafted query with a defined index

Published Apr 15, 2026
·
Updated

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow an authenticated user to cause a denial of service due to improper neutralization of special elements in data query logic.

Other sources

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow an authenticated user to cause a denial of service due to improper neutralization of special elements in data query logic.

— IBM

Affected Software

10 affected components
IBM DB2>=11.5.0<=11.5.9, >=12.1.0<=12.1.4
IBM Db2 Connect Server>=11.5.0<=11.5.9, >=12.1.0<=12.1.4
IBM Db2 Linux>=11.5.0<=11.5.9
IBM Db2 Unix>=11.5.0<=11.5.9
IBM Db2 Windows>=11.5.0<=11.5.9
IBM Db2 Linux>=12.1.0<=12.1.4
IBM Db2 Unix>=12.1.0<=12.1.4
IBM Db2 Windows>=12.1.0<=12.1.4
IBM Cloud APM, Base Private<=8.1.4
IBM Cloud APM, Advanced Private<=8.1.4

Remediation

Information

Customers running any vulnerable affected level of an affected Program, V11.5, and V12.1, can download the special build containing the interim fix for this issue from Fix Central. These special builds are available based on the most recent level for each impacted release: V11.5.9, and V12.1.4. They can be applied to any affected level of the appropriate release to remediate this vulnerability. ReleaseFixed in mod packAPARDownload URLV11.5TBD https://www.ibm.com/support/pages/node/7087189 V12.1 TBD https://www.ibm.com/support/pages/node/7267513 IBM does not disclose key Db2 functionality nor replication steps for a vulnerability to avoid providing too much information to any potential malicious attacker. IBM does not want to enable a malicious attacker with sufficient knowledge to craft an exploit of the vulnerability.

Event History

Apr 22, 2026
CVE Published
via MITRE·11:37 PM
Data Sourced
via MITRE·11:37 PM
RemedyDescriptionSeverityWeakness
Apr 23, 2026
Data Sourced
via NVD·12:16 AM
DescriptionSeverityWeaknessAffected Software
May 21, 2026
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2026-1352?

CVE-2026-1352 is categorized as a denial of service vulnerability.

2

How do I fix CVE-2026-1352?

To mitigate CVE-2026-1352, update IBM Db2 to a version later than 11.5.9 or 12.1.4.

3

What are the affected versions in CVE-2026-1352?

CVE-2026-1352 affects IBM Db2 versions 11.5.0 through 11.5.9 and 12.1.0 through 12.1.4.

4

Can CVE-2026-1352 be exploited by unauthenticated users?

No, CVE-2026-1352 can only be exploited by authenticated users.

5

What impact does CVE-2026-1352 have on Db2 systems?

CVE-2026-1352 can cause a denial of service condition, leading to potential disruption of database services.

Company

Resources

Contact

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