CVE-2026-91197 Flowable flowable-engine through 8.0.0 XXE via ProcessDiagramLayoutFactory
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-91197?
CVE-2026-91197 is a high-severity vulnerability in flowable-engine, published on 14 Sep 2026.
Official description
Flowable flowable-engine through 8.0.0 contains an XML external entity injection vulnerability in ProcessDiagramLayoutFactory.parseXml() that fails to disable external entity resolution when parsing deployed BPMN resources. Attackers with process deployment privileges can embed DOCTYPE declarations with external entities in BPMN files to read arbitrary local files or trigger requests to internal network endpoints when diagram layout is computed.
Weakness: CWE-611
Which versions are affected by CVE-2026-91197?
How do I fix CVE-2026-91197?
No fix has been published for CVE-2026-91197 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-91197 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-91197 exists.
Sources
Also known as GHSA-8x6x-vw5h-q563.