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Zr.Admin.NET path traversal in DownloadFile leaks arbitrary server files

Affects Zr.Admin.NET builds from commit 0ee1ab8 through commit eb9228a. The checked facts name no fixed version or vendor patch.

CVE-2026-129464

Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

8.7HighCNA
Exploited
No known exploitation
Fix
Fix or patch referenced
Who is exposed
Specific setups only

Do first: Check whether your setup matches what the bug needs. Zr.Admin.NET builds from commit 0ee1ab8 through commit eb9228a Attacker holds any login account

Published
Last modified
Reference
Last checked
17/100 · provisional
Specific setups only
None on Exploit-DB, Metasploit or GitHub

Summary

Zr.Admin.NET, a product from izhaorui, has a path traversal flaw in its /common/DownloadFile endpoint, in commits 0ee1ab8 through eb9228a. An attacker who can reach the server over the network and holds any ordinary login can use it to read arbitrary files, including application settings that expose the JWT signing key and allow forging administrator tokens.

Original description

Zr.Admin.NET commit 0ee1ab8 through commit eb9228a contains a path traversal vulnerability that allows any logged-in user to read arbitrary server files via the path parameter of /common/DownloadFile. Attackers can supply absolute paths or ../ sequences to read appsettings files and use the JwtSettings SecretKey to forge administrator tokens.

Who should check

Teams running izhaorui Zr.Admin.NET builds from commit 0ee1ab8 through eb9228a, where any logged-in account can reach the download endpoint.

“Zr.Admin.NET commit 0ee1ab8 through commit eb9228a contains a path traversal vulnerability”

vulncheck.com

cve.now Index

17Pcve.now Index 17 of 100 · methodology v3 · provisional
  • Exploitation?/40Unknown. No CISA SSVC exploitation rating yet
  • Exposure8/25Specific setups only, reachable over the network
  • Reach?/20Unknown. No tracked technology or package matched
  • Severity8.7/10CVSS 8.7
  • No patch0/5No signal

What would change the score

  • Would score about 67 if added to CISA KEV
  • Would score about 62 if CISA's SSVC rates exploitation active
  • Would score about 24 if CISA's SSVC rates it automatable

How the score works · Rankings

What to do

  • Check whether your setup matches what the bug needs.

    Zr.Admin.NET builds from commit 0ee1ab8 through commit eb9228a Attacker holds any login account

  • Apply the patch listed under Evidence.

Check your systems with an agent

Paste this into a coding or ops agent. It checks your systems read-only and reports a table per asset.

Check whether my systems are affected by CVE-2026-129464 (Zr.Admin.NET commit 0ee1ab8 through eb9228a Path Traversal via DownloadFile), using the cve.now data below.

Rules: work read-only. Do not run exploit code, proof-of-concept scripts or scanners that send attack payloads, and do not change any configuration, package, image or deployment. Report findings only.

What cve.now has for CVE-2026-129464 (entry last updated 2026-11-15):
Affected:
- izhaorui Zr.Admin.NET: version range not reported
Fixed versions: none listed yet.
Conditions (all must be true for the bug to be hit):
- Zr.Admin.NET builds from commit 0ee1ab8 through commit eb9228a (source: https://www.vulncheck.com/advisories/zr-admin-net-commit-0ee1ab8-through-eb9228a-path-traversal-via-downloadfile)
- Attacker holds any login account (source: https://vul.yulun.ac.cn/20261114/zr-admin-net/)
Setup: unknown whether the bug needs a non-default feature or setting. Check the advisory.
Attacker needs: network access, low-privilege login, no user action.
CISA KEV: CVE-2026-129464 is not listed as of cve.now's last read.
This KEV status is for CVE-2026-129464 only. If you also check another CVE, look up its own KEV status; never assume it from this one.

How to check:
- Installed software: check what is actually running, not what a repo declares. Read the version from each host, container image and Kubernetes node (the binary's version output, the OS package database, image layers), and check whether the conditions above hold there. Distribution packages may carry a backported fix under an older version number; confirm against the distribution's own advisory.

Verify against the linked advisories before concluding, and cite the date you read each one:
- https://github.com/izhaorui/Zr.Admin.NET/commit/0ee1ab8af5e3861766746d25acba1184111befcb
- https://github.com/izhaorui/Zr.Admin.NET/issues/27
- https://vul.yulun.ac.cn/20261114/zr-admin-net/
- https://github.com/izhaorui/Zr.Admin.NET/blob/eb9228a23014f6000c06cab2f10ae0d44ecbbd3a/ZR.Admin.WebApi/Controllers/CommonController.cs#L220-L241
- https://github.com/izhaorui/Zr.Admin.NET/blob/eb9228a23014f6000c06cab2f10ae0d44ecbbd3a/Infrastructure/Controllers/BaseController.cs#L110-L119
- https://www.vulncheck.com/advisories/zr-admin-net-commit-0ee1ab8-through-eb9228a-path-traversal-via-downloadfile
Do not conclude an asset is unaffected unless you checked it and the evidence covers both its version and the conditions above. If you could not check something, mark it unknown and say what is missing.

Report a table with one row per asset and these columns: Asset | Version or build | Status (affected, fixed, not applicable, unknown) | Compensating controls | Exposure (internet-facing, internal, none) | Evidence | Next action.

Entry: https://cve.now/CVE-2026-129464
For follow-up questions, use the cve.now MCP server at https://mcp.cve.now/mcp (no authentication), for example execute with name cve.get and arguments {"id": "CVE-2026-129464"}.

Timeline

  1. CVE published
  2. First seen by cve.now

Affected versions

  • izhaorui Zr.Admin.NET

    Version range not reported

Evidence 8

CVE record · 2

Establishes: The identifier and description.

  1. Record
  2. Record

Other links · 6

  1. Patch
  2. Report
  3. Repository
  4. Repository
  5. Link
  6. Link

Corrections

None so far.

Something wrong on this page? Report an error. Every fix is listed here.

Questions about CVE-2026-129464

Is CVE-2026-129464 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data

What does this mean?

A path traversal flaw in DownloadFile lets a logged-in account read arbitrary files on the server. Configuration files holding the JWT secret key can be read this way, which allows forging administrator tokens.Source: vulncheck.com, vul.yulun.ac.cn

Am I affected, and how do I check?

Builds from commit 0ee1ab8 through commit eb9228a are in the affected range. To check a copy, compare the commit it was built from against that range in the project's git history.Source: vulncheck.com, vul.yulun.ac.cn

How do I fix CVE-2026-129464?

The checked facts name no fixed version or patch, so no upgrade target is available from these sources. Check the upstream repository for a fix or a commit after eb9228a.Source: vulncheck.com, vul.yulun.ac.cn

Sources

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