CVE-2025-13915CWE-305

CVE-2025-13915

Critical · published December 26, 2025

CVSS v3.1
9.8
EPSS
9%
Percentile
95.3
In the wild
Unconfirmed
What it is

🚨 An unguarded door is just waiting for the wrong hands. IBM API Connect versions 10.0.8.0 through 10.0.8.5, and 10.0.11.0 let remote attackers waltz past authentication checks — a security nightmare! 🔥 Think of it like a hotel without a front desk — anyone can just stroll in, grab some room keys, and check out the VIP suites without any identification. That’s how this vulnerability lets attackers bypass security measures. An attacker could exploit this flaw to gain unauthorized access to sensitive areas of the application, potentially leading to data breaches, manipulation, or even control over critical services. This could be absolutely devastating for users and organizations relying on this API for secure operations.

Put simply

Think of it like a hotel without a front desk — anyone can just stroll in, grab some room keys, and check out the VIP suites without any identification. That’s how this vulnerability lets attackers bypass security measures. This vulnerability allows remote attackers to bypass authentication mechanisms within IBM API Connect, giving them easy access to resources they shouldn't be able to reach. Effectively, it’s as if the security checkpoints never existed in the first place.

What to do

An attacker could exploit this flaw to gain unauthorized access to sensitive areas of the application, potentially leading to data breaches, manipulation, or even control over critical services. This could be absolutely devastating for users and organizations relying on this API for secure operations. Immediate action is crucial! Upgrade to IBM API Connect version 10.0.8.6 or 10.0.11.1 to close this gap. Make sure to review your access logs and implement additional security controls while you're at it. You've got this! Follow these steps and you'll be one step closer to securing your API and keeping attackers at bay. 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.09008 · 95.3th percentile
Weakness
CWE-305 · Authentication Bypass by Primary Weakness
Published
2025-12-26T19:15Z
Affected products (2)
ProductVersionsFixed in
ibm/api_connect≥ 10.0.8.0, ≤ 10.0.8.5—
ibm/api_connectall versions—
References (1)
EPSS history
Timeline
  • 26 DEC 13:16Z
    Authentication bypass in IBM API Connect
    cvelistv5