CVE-2026-40939

MEDIUM EPSS 4.9%
Published Apr 21, 20262mo ago · Modified Jun 17, 20262w ago
6.8 CVSS 4.0
Medium
Find Similar
Published Apr 21, 2026 2mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
6.8
Exploitability
—
Impact
—
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Physical
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
4.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-613

References 4

  • dsf.dev https://dsf.dev/operations/v2.1.0/bpe/oidc.html
  • dsf.dev https://dsf.dev/operations/v2.1.0/fhir/oidc.html
  • github.com https://github.com/datasharingframework/dsf/commit/f4ecb002f7d12642f92da6b79371ed367d0140e7
  • github.com https://github.com/datasharingframework/dsf/security/advisories/GHSA-gj7p-595x-qwf5

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.