SB2026042940 - Multiple vulnerabilities in IBM Watson Discovery Cartridge



SB2026042940 - Multiple vulnerabilities in IBM Watson Discovery Cartridge

Published: April 29, 2026

Security Bulletin ID SB2026042940
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 vulnerabilities.


1) Missing Release of Resource after Effective Lifetime (CVE-ID: CVE-2026-2359)

CWE-ID: CWE-772 - Missing Release of Resource after Effective Lifetime

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to missing release of resource after effective lifetime in the file upload handling component when processing a file upload connection that is dropped prematurely. A remote attacker can drop the connection during file upload to cause a denial of service.

The issue can lead to resource exhaustion.


2) Incomplete cleanup (CVE-ID: CVE-2026-3304)

CWE-ID: CWE-459 - Incomplete cleanup

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to incomplete cleanup in multer when handling malformed requests. A remote attacker can send malformed requests to cause a denial of service.

The issue may result in resource exhaustion.


3) Uncontrolled Recursion (CVE-ID: CVE-2026-3520)

CWE-ID: CWE-674 - Uncontrolled Recursion

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to uncontrolled recursion in multer when handling malformed requests. A remote attacker can send a specially crafted request to cause a denial of service.

The issue may result in stack overflow.


Remediation

Install update from vendor's website.