SB2026032020 - Multiple vulnerabilities in IBM Communications Server (CS) for Data Center Deployment, CS for Linux, and CS for Linux on System z

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Main Vulnerability Database SB2026032020

SB2026032020 - Multiple vulnerabilities in IBM Communications Server (CS) for Data Center Deployment, CS for Linux, and CS for Linux on System z

Published: March 20, 2026

Security Bulletin ID SB2026032020
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Improper input validation (CVE-ID: CVE-2025-53066)

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The vulnerability exists due to improper input validation within the JAXP component in Oracle GraalVM Enterprise Edition. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.


2) Improper input validation (CVE-ID: CVE-2025-53057)

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

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 manipulate data.


Remediation

Install update from vendor's website.

References