# CVE-2026-12752: IBM Business Automation Workflow XML external entity injection

Source: https://junglewise.ai/threats/cve-2026-12752-ibm-business-automation-workflow-xml-external-entity-injection  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-15. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-12752 · Severity: high · CVSS 7.1 · Published 2026-09-15

IBM Business Automation Workflow is a business process automation platform used to orchestrate complex workflows across organizations. An XML parsing vulnerability allows remote attackers to extract sensitive data or cause denial of service by submitting specially crafted XML files. This could lead to exposure of confidential business information or service outages affecting operational continuity.

Technologies: [IBM Business Automation Workflow](https://junglewise.ai/threats/technologies/business-automation-workflow). Vendors: [IBM](https://junglewise.ai/threats/vendors/ibm).

## Quick answers

**Is CVE-2026-12752 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-12752 being exploited in the wild.

**How severe is CVE-2026-12752?** High severity, with a CVSS score of 7.1, published 15 September 2026.

**Which products and versions are affected?** IBM Business Automation Workflow.

**Is there a fix for CVE-2026-12752?** A patch was published on 2026-08: August 2026 update Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-12752 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-12752?** Check whether you run IBM Business Automation Workflow. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is an XML External Entity (XXE) injection flaw (CWE-611) in IBM Business Automation Workflow's XML processing logic, triggered when the application parses untrusted XML input without proper entity resolution restrictions. The attack is network-accessible and requires no authentication or user interaction. An attacker can supply malicious XML to read local files, access internal services, or trigger billion laughs/XML bomb attacks to exhaust memory and CPU resources. Patches are available through IBM's August 2026 security updates.

## Affected products

- IBM Business Automation Workflow

## Timeline

- 2026-09-15: disclosed
- 2026-08: patched: August 2026 update

## References

- [https://www.ibm.com/support/pages/node/7285930](https://www.ibm.com/support/pages/node/7285930)

## Related threats

- [IBM Business Automation Workflow missing authorization in import](https://junglewise.ai/threats/cve-2026-12742-ibm-business-automation-workflow-missing-authorization-in-import)
- [IBM Business Automation Workflow XML external entity injection](https://junglewise.ai/threats/cve-2026-12756-ibm-business-automation-workflow-xml-external-entity-injection)
- [IBM Business Automation Workflow XML Entity Injection in programming models](https://junglewise.ai/threats/cve-2026-13107-ibm-business-automation-workflow-xml-entity-injection-in)
- [IBM Business Automation Workflow containers 24.0.0 through 24.0.0-IF006, 24.0.1 through 24.0.1-IF004, 25.0.0 through…](https://junglewise.ai/threats/cve-2025-36054-ibm-business-automation-workflow-containers-24-0-0-through-24-0-0)