Critical security vulnerability endangers IBM Db2 Big SQL

A security patch protects PCs with IBM Db2 Big SQL from potential attacks.

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Jan 26, 2026 at 11:05 am CET

1 min. read

Security

By

Dennis Schirrmacher

Attackers can exploit a vulnerability in IBM Db2 Big SQL. A secured version is available for download.

Critical Vulnerability

According to the description of the vulnerability in a warning message, attackers can exploit systems via prepared requests as part of an HTTP Parameter Pollution (HPP) attack. The impact of such attacks varies. Unauthorized data access is often possible.

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Currently, there are no indications that attackers are exploiting the "critical" vulnerability (CVE-2025-7783). Admins should ensure that the patched version IBM Db2 Big SQL 8.2.1 or IBM Cloud Pak for Data 5.2.1 is installed.