SB2026031308 - Multiple vulnerabilities in IBM Event Streams
Published: March 13, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Prototype pollution (CVE-ID: CVE-2025-64718)
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 attacks.
2) Resource exhaustion (CVE-ID: CVE-2025-15284)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the arrayLimit option does not enforce limits for bracket notation (a[]=1&a[]=2). A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
3) Improper verification of cryptographic signature (CVE-ID: CVE-2025-65945)
The vulnerability allows a remote attacker to bypass authorization checks.
The vulnerability exists due to improper signature verification under specific conditions when using the HS256 algorithm within the jws.createVerify() function. A remote attacker can manipulate header or payload in the HMAC secret lookup routines and bypass authorization checks.
4) Link following (CVE-ID: CVE-2025-54798)
The vulnerability allows a local user to modify data on the system.
The vulnerability exists due to an insecure link following issue. A local user can create a specially crafted symbolic link to a critical file on the system and overwrite it with privileges of the application.
Remediation
Install update from vendor's website.