SB2026082567 - Multiple vulnerabilities in IBM App Connect Enterprise

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Main Vulnerability Database SB2026082567

SB2026082567 - Multiple vulnerabilities in IBM App Connect Enterprise

Published: August 25, 2026

Security Bulletin ID SB2026082567
CSH Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

High 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Out-of-bounds write (CVE-ID: CVE-2026-41907)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to accepting external output buffers, but not rejecting out-of-range writes (small buf or large offset). A remote attacker can create a specially crafted file, trick the victim into opening it using the affected software, trigger an out-of-bounds write and execute arbitrary code on the target system.


2) Always-Incorrect Control Flow Implementation (CVE-ID: CVE-2026-41988)

CWE-ID: CWE-670 - Always-Incorrect Control Flow Implementation

CVSSv4: 2 [CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N]


The vulnerability allows a local user to modify data on the system.

The vulnerability exists due to uuid can make unexpected writes when external output buffers are used. A local user can gain unauthorized access to modify data on the system.


Remediation

Install update from vendor's website.

References