SB20260216158 - Multiple vulnerabilities in IBM Event Endpoint Management
Published: February 16, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 5 secuirty vulnerabilities.
1) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2025-58056)
The vulnerability allows a remote attacker to perform HTTP request smuggling attacks.
The vulnerability exists due to improper validation of HTTP/1.1 requests. A remote attacker can send a specially crafted HTTP request to the server and smuggle arbitrary HTTP headers.
Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.
2) Inefficient regular expression complexity (CVE-ID: CVE-2025-5889)
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient input validation when processing untrusted input with a regular expressions. A remote user can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.
3) Exposure of Resource to Wrong Sphere (CVE-ID: CVE-2025-49574)
The vulnerability allows a remote user to gain access to sensitive information.
The vulnerability exists due to an error when duplicating a duplicated context. A remote user can gain access to sensitive information, such as request scope, security details, and metadata.
4) Cross-site scripting (CVE-ID: CVE-2025-56200)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data passed via "A URL validation bypass vulnerability exists" when crafting URLs leading to XSS and Open Redirect attacks. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website .
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
5) Prototype pollution (CVE-ID: CVE-2025-57319)
The vulnerability allows a remote attacker to execute arbitrary JavaScript code.
The vulnerability exists due to improper input validation. A remote attacker can pass specially crafted input to the application and perform prototype pollution, which can result in information disclosure or data manipulation.
Remediation
Install update from vendor's website.