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Vulnerability record · CVE-2026-58448 · published 30 June 2026

CVE-2026-58448: Missing authorization vulnerability

yudao-cloud before 2026.06 contains a broken access control vulnerability in the BPM module that allows any authenticated user to access arbitrary process instance records by supplying a caller-controlled process-instance identifier to an unprotected endpoint lacking the @PreAuthorize annotation. Attackers can query any process-instance identifier through the unguarded GET endpoint to read sensitive workflow data including submitted form variables, approver identities, approval and rejection comments, and process BPMN XML without ownership or tenant party verification.

7.1 CVSS 4.0 High EPSS 0.40% · top 68.2% CWE-862 · Missing authorization Deferred
7.1CVSS 4.0 base score
0.40%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
14 Jul 2026Last modified by NVD

Description

yudao-cloud before 2026.06 contains a broken access control vulnerability in the BPM module that allows any authenticated user to access arbitrary process instance records by supplying a caller-controlled process-instance identifier to an unprotected endpoint lacking the @PreAuthorize annotation. Attackers can query any process-instance identifier through the unguarded GET endpoint to read sensitive workflow data including submitted form variables, approver identities, approval and rejection comments, and process BPMN XML without ownership or tenant party verification.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/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:

References

LinkTags
https://github.com/YunaiV/yudao-cloud/issues/315
https://github.com/YunaiV/yudao-cloud/releases#release-v2026.06(jdk8/11)
https://www.vulncheck.com/advisories/yudao-cloud-bpm-module-broken-access-control-via-process-instance-api

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Source: NIST National Vulnerability Database (record CVE-2026-58448), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.