SB2026040739 - Multiple vulnerabilities in IBM DataPower Gateway

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Main Vulnerability Database SB2026040739

SB2026040739 - Multiple vulnerabilities in IBM DataPower Gateway

Published: April 7, 2026

Security Bulletin ID SB2026040739
Severity
High
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 33% Medium 67%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Improper input validation (CVE-ID: CVE-2026-21945)

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Security component in Oracle GraalVM Enterprise Edition. A remote non-authenticated attacker can exploit this vulnerability to perform a denial of service (DoS) attack.


2) Improper input validation (CVE-ID: CVE-2026-21933)

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The vulnerability exists due to improper input validation within the Networking component in Oracle GraalVM Enterprise Edition. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.


3) Incorrect Calculation of Buffer Size (CVE-ID: CVE-2026-1188)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to API function to return the textual names of all supported processor features was not accounting for the separator inserted between processor features. A remote attacker can pass specially crafted data to the application, trigger the incorrect calculation of buffer size and execute arbitrary code on the target system.


Remediation

Install update from vendor's website.

References