7.1
HIGH CVSS 4.0
CVE-2026-129454
Zr.Admin.NET commit 85cff6a through eb9228a IDOR via Workflow Instance Endpoint
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.

INFO

Published Date :

Nov. 15, 2026, 2:17 a.m.

Last Modified :

Nov. 15, 2026, 2:17 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-129454 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Izhaorui zr.admin.net
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 MEDIUM MITRE-CVE
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 HIGH 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 HIGH [email protected]
Solution
Restrict access to workflow instances based on user authorization.
  • Validate user permissions for requested workflow instances.
  • Implement proper access controls for workflow data.
  • Review and enforce authorization logic.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-129454 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-129454 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-129454 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-129454 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Nov. 15, 2026

    Action Type Old Value New Value
    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.
    Added CVSS V4.0 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:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    Added CWE CWE-639
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/129xxx/CVE-2026-129454.json">CVE-2026-129454</a>
    Added Reference https://github.com/izhaorui/Zr.Admin.NET/blob/eb9228a23014f6000c06cab2f10ae0d44ecbbd3a/ZR.Workflow/Controllers/WfFlowInstanceController.cs#L49-L57
    Added Reference https://github.com/izhaorui/Zr.Admin.NET/blob/eb9228a23014f6000c06cab2f10ae0d44ecbbd3a/ZR.Workflow/Service/WfFlowInstanceService.cs#L173-L176
    Added Reference https://github.com/izhaorui/Zr.Admin.NET/commit/85cff6ae22389c241d3a4efe178273966650f7ca
    Added Reference https://github.com/izhaorui/Zr.Admin.NET/issues/27
    Added Reference https://vul.yulun.ac.cn/20261114/zr-admin-net/
    Added Reference https://www.vulncheck.com/advisories/zr-admin-net-commit-85cff6a-through-eb9228a-idor-via-workflow-instance-endpoint
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.