DSF: Missing Session Timeout for OIDC Sessions_CVE-2026-40939

6.8 / 10

MEDIUM

CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

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.

Basic Information

ID CVE-2026-40939

Source GitHub_M

Published Apr 21, 2026 at 21:07

Affected Product

Vendor datasharingframework

Product dsf

Version < 2.1.0

Affected Versions datasharingframework dsf < 2.1.0
dev.dsf dsf-bpe-server < 2.1.0
dev.dsf dsf-common-jetty < 2.1.0
dev.dsf dsf-fhir-server < 2.1.0

CWE Classification

CWE-613

References

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    "published": "2026-04-21T21:07:10.503Z",
    "modified": "2026-04-21T21:07:10.503Z",
    "type": "cve",
    "title": "DSF: Missing Session Timeout for OIDC Sessions",
    "source": "GitHub_M",
    "references": "https://github.com/datasharingframework/dsf/security/advisories/GHSA-gj7p-595x-qwf5\nhttps://github.com/datasharingframework/dsf/commit/f4ecb002f7d12642f92da6b79371ed367d0140e7\nhttps://dsf.dev/operations/v2.1.0/bpe/oidc.html\nhttps://dsf.dev/operations/v2.1.0/fhir/oidc.html",
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