Quick answers
- Is CVE-2026-13107 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-13107 being exploited in the wild.
- How severe is CVE-2026-13107?
- High severity, with a CVSS score of 7.1, published 14 September 2026.
- Which products and versions are affected?
- IBM Business Automation Workflow.
- Is there a fix for CVE-2026-13107?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-13107 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-13107?
- 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
This vulnerability is an XXE (XML External Entity Injection) flaw classified under CWE-611 affecting IBM Business Automation Workflow. The root cause is improper restriction of XML external entity references in programming model artifacts used by advanced custom applications. The attack requires network access and authenticated user credentials (PR:L per CVSS vector). An attacker can read sensitive files from the server and cause denial of service through resource consumption. IBM has released a patch as part of the August 2026 security update.
Affected products
- IBM Business Automation Workflow
Timeline
- 2026-09-14: disclosed