---
id: CVE-2026-16426
title: >-
  IBM Concert 1.0.0 through 3.0.0 is vulnerable to server-side request forgery
  (SSRF)
summary: >-
  IBM Concert 1.0.0 through 3.0.0 is vulnerable to server-side request forgery
  (SSRF). This may allow an authenticated attacker to send unauthorized requests
  from the system, potentially leading to network enumeration or facilitating
  other…
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N'
cwe:
  - CWE-918
vendor: IBM
product: Concert
affected:
  - Concert >= 1.0.0 <= 3.0.0
published: '2026-09-22'
updated: '2026-09-23'
sourceUpdated: '2026-09-23T18:17:07.270'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-16426'
references:
  - url: 'https://www.ibm.com/support/pages/node/7288830'
    label: psirt@us.ibm.com
tags:
  - nvd
  - cve.org
epss: 0.00194
epssPercentile: 0.08072
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-23T13:13:35.938240Z'
ingestedAt: '2026-09-22T22:12:45.126Z'
---

## Overview

IBM Concert 1.0.0 through 3.0.0 is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.