Vulnerability Database

394,002

Total vulnerabilities in the database

CVE-2026-12730 — ibm / business_automation_workflow

Improper Validation of Certificate with Host Mismatch

IBM Business Automation Workflow containers and traditional 26.0.0, 25.0.0 through 25.0.0 Interim Fix 005, 24.0.1 through 24.0.1 Interim Fix 007, and 24.0.0 through 24.0.0 Interim Fix 009 IBM Business Automation Workflow fails to properly verify that the hostname matches the server certificate potentially allowing connections to an attacker-controlled server.

  • Published: Aug 5, 2026
  • Updated: Oct 6, 2026
  • CVE: CVE-2026-12730
  • Severity: Low
  • Exploit:
  • CISA KEV:

CVSS v3:

  • Severity: Low
  • Score: 3.8
  • AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N

CWEs:

Software Affected versions
ibm / business_automation_workflow = 24.0.0
ibm / business_automation_workflow = 24.0.0-if001
ibm / business_automation_workflow = 24.0.0-if002
ibm / business_automation_workflow = 24.0.0-if003
ibm / business_automation_workflow = 24.0.0-if004
ibm / business_automation_workflow = 24.0.0-if005
ibm / business_automation_workflow = 24.0.0-if006
ibm / business_automation_workflow = 24.0.0-if007
ibm / business_automation_workflow = 24.0.0-if008
ibm / business_automation_workflow = 24.0.0-if009
ibm / business_automation_workflow = 24.0.1
ibm / business_automation_workflow = 24.0.1-if001
ibm / business_automation_workflow = 24.0.1-if002
ibm / business_automation_workflow = 24.0.1-if003
ibm / business_automation_workflow = 24.0.1-if004
ibm / business_automation_workflow = 24.0.1-if005
ibm / business_automation_workflow = 24.0.1-if006
ibm / business_automation_workflow = 24.0.1-if007
ibm / business_automation_workflow = 25.0.0
ibm / business_automation_workflow = 25.0.0-if001
ibm / business_automation_workflow = 25.0.0-if002
ibm / business_automation_workflow = 25.0.0-if003
ibm / business_automation_workflow = 25.0.0-if004
ibm / business_automation_workflow = 25.0.0-if005
ibm / business_automation_workflow = 26.0.0
ibm / business_automation_workflow_containers_and_traditional >= 25.0.0, <= 25.0.0 interim fix 005
ibm / business_automation_workflow_containers_and_traditional >= 24.0.1, <= 24.0.1 interim fix 007
ibm / business_automation_workflow_containers_and_traditional >= 24.0.0, <= 24.0.0 interim fix 009

Is CVE-2026-12730 exposed on your perimeter?

A vulnerability database tells you what is broken. Attack surface management tells you where it is running: it discovers your internet-facing assets and flags the ones affected by issues like this one.

What is attack surface management? →

Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.