CVE-2026-129454
Zr.Admin.NET commit 85cff6a through eb9228a IDOR via Workflow Instance Endpoint
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.
Fixes and workarounds
Fix
The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.
Source: CNA: VulnCheckAffected products and versions
| Product | Versions | Authority |
|---|---|---|
| Zr.Admin.NET izhaorui izhaorui/Zr.Admin.NET
github |
≥ 85cff6ae22389c241d3a4efe178273966650f7ca; ≤ eb9228a23014f6000c06cab2f10ae0d44ecbbd3a (affected, git)
Other versions: unaffected |
CNA: VulnCheck |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 7.1 high |
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 | CNA: VulnCheck |
| 3.1 / 6.5 medium |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N | CNA: VulnCheck |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://vul.yulun.ac.cn/20261114/zr-admin-net/CNA: VulnCheck · third-party-advisory
- https://github.com/izhaorui/Zr.Admin.NET/issues/27CNA: VulnCheck · issue-tracking
- https://github.com/izhaorui/Zr.Admin.NET/blob/eb9228a23014f6000c06cab2f10ae0d44ecbbd3a/ZR.Workflow/Controllers/WfFlowInstanceController.cs#L49-L57CNA: VulnCheck · technical-description
- https://github.com/izhaorui/Zr.Admin.NET/blob/eb9228a23014f6000c06cab2f10ae0d44ecbbd3a/ZR.Workflow/Service/WfFlowInstanceService.cs#L173-L176CNA: VulnCheck · technical-description
- https://github.com/izhaorui/Zr.Admin.NET/commit/85cff6ae22389c241d3a4efe178273966650f7caCNA: VulnCheck · technical-description, patch
- https://www.vulncheck.com/advisories/zr-admin-net-commit-85cff6a-through-eb9228a-idor-via-workflow-instance-endpointCNA: VulnCheck · third-party-advisory
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