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IBM Warns of Critical API Connect Bug Allowing Remote Authentication Bypass

By The Hacker News
Publication Date: 2025-12-31 13:37:00

Dec 31, 2026Ravie LakshmananAPI Security / Vulnerability

IBM has disclosed details of a critical security flaw in API Connect that could allow attackers to gain remote access to the application.

The vulnerability, tracked as CVE-2025-13915, is rated 9.8 out of a maximum of 10.0 on the CVSS scoring system. It has been described as an authentication bypass flaw.

“IBM API Connect could allow a remote attacker to bypass authentication mechanisms and gain unauthorized access to the application,” the tech giant said in a bulletin.

The shortcoming affects the following versions of IBM API Connect –

  • 10.0.8.0 through 10.0.8.5
  • 10.0.11.0
Cybersecurity

Customers are advised to follow the steps outlined below –

  • Download the fix from Fix Central
  • Extract the files: Readme.md and ibm-apiconnect--ifix.13195.tar.gz
  • Apply the fix based on the appropriate API Connect version

“Customers unable to install the interim fix should disable self-service sign-up on their Developer Portal if enabled, which will…

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