SB2026031935 - Multiple vulnerabilities in IBM App Connect Enterprise

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Main Vulnerability Database SB2026031935

SB2026031935 - Multiple vulnerabilities in IBM App Connect Enterprise

Published: March 19, 2026

Security Bulletin ID SB2026031935
Severity
Medium
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Uncaught Exception (CVE-ID: CVE-2026-25128)

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

The vulnerability exists due to the RangeError issue in the numeric entity. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.


2) NULL pointer dereference (CVE-ID: CVE-2026-26278)

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

The vulnerability exists due to a NULL pointer dereference error in the replaceEntitiesValue() function in OrderedObjParser.js. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.


3) Incorrect Regular Expression (CVE-ID: CVE-2026-25896)

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to insufficient input validation when processing regular expressions in DOCTYPE entity names. A remote attacker can bypass the XML entity encoding.


Remediation

Install update from vendor's website.

References