What’s Vulnerable › Vulnerabilities

CVE-2026-58448: yudao-cloud < 2026.06 - BPM Module Broken Access Control via process-instance API

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-30 · updated 2026-10-25
• Weakness: CWE-862

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.

Affected products

• YunaiV yudao-cloud: before 2026.06 — fixed in 2026.06

How to fix

Upgrade to a fixed version: YunaiV yudao-cloud 2026.06. Check the vendor advisory for mitigations.

References

• 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

Get alerted when CVE-2026-58448 or the next vulnerability affects your stack