Zr.Admin.NET commit 85cff6a through commit eb9228a contains an insecure direct object reference vulnerability in GET /workflow/instance/{instanceId} that lets logged-in users view others' workflow instances. Authenticated low-privilege attackers can enumerate sequential instance IDs to read other users' approval requests, including submitted form contents, applicant details and approval records.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
izhaorui Zr.Admin.NET unaffected
Version Status Constraints
85cff6ae22389c241d3a4efe178273966650f7ca affected ≤ eb9228a23014f6000c06cab2f10ae0d44ecbbd3a

No data.

No data.

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/izhaorui/Zr.Admin.NET/blob/eb9228a23014f6000c06cab2f10ae0d44ecbbd3a/ZR.Workflow/Controllers/WfFlowInstanceController.cs#L49-L57 cve-icon cve-icon
https://github.com/izhaorui/Zr.Admin.NET/blob/eb9228a23014f6000c06cab2f10ae0d44ecbbd3a/ZR.Workflow/Service/WfFlowInstanceService.cs#L173-L176 cve-icon cve-icon
https://github.com/izhaorui/Zr.Admin.NET/commit/85cff6ae22389c241d3a4efe178273966650f7ca cve-icon cve-icon
https://github.com/izhaorui/Zr.Admin.NET/issues/27 cve-icon cve-icon
https://vul.yulun.ac.cn/20261114/zr-admin-net/ cve-icon cve-icon
https://www.vulncheck.com/advisories/zr-admin-net-commit-85cff6a-through-eb9228a-idor-via-workflow-instance-endpoint cve-icon cve-icon
History

Sun, 15 Nov 2026 03:45:00 +0000

Type Values Removed Values Added
First Time appeared Izhaorui
Izhaorui zr.admin.net
Vendors & Products Izhaorui
Izhaorui zr.admin.net

Sun, 15 Nov 2026 02:00:00 +0000

Type Values Removed Values Added
Description Zr.Admin.NET commit 85cff6a through commit eb9228a contains an insecure direct object reference vulnerability in GET /workflow/instance/{instanceId} that lets logged-in users view others' workflow instances. Authenticated low-privilege attackers can enumerate sequential instance IDs to read other users' approval requests, including submitted form contents, applicant details and approval records.
Title Zr.Admin.NET commit 85cff6a through eb9228a IDOR via Workflow Instance Endpoint
Weaknesses CWE-639
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 7.1, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-15T01:49:37.777Z

Reserved: 2026-11-14T19:03:25.715Z

Link: CVE-2026-129454

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-11-15T02:17:21.243

Modified: 2026-11-15T02:17:21.370

Link: CVE-2026-129454

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-15T03:30:05Z

Weaknesses