# CVE-2026-40939

> Vulnerability.

## Description

The Data Sharing Framework (DSF) implements a distributed process engine based on the BPMN 2.0 and FHIR R4 standards. Prior to 2.1.0, OIDC-authenticated sessions had no configured maximum inactivity timeout. Sessions persisted indefinitely after login, even after the OIDC access token expired. This vulnerability is fixed in 2.1.0.

## Key facts

- **CVE ID:** CVE-2026-40939
- **Published:** 2026-04-21
- **CWE codes:** CWE-613

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-40939

## Citation

> AI Analytics. CVE-2026-40939. Retrieved 2026-07-16 from https://api.ai-analytics.org/cve/CVE-2026-40939. Derived from NIST NVD. Licensed CC0.

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