---
title: "CVE-2026-90523: jaychouchannel Tourism-Management-System - Broken Access Control"
description: "jaychouchannel Tourism-Management-System contains an improper privilege management vulnerability caused by manipulation of the UsersEntity argument in User Register Endpoint, letting remote attackers escalate privileges, exploit requires crafted input."
url: https://panop.io/threat-heartbeat/CVE-2026-90523/
---

# CVE-2026-90523 jaychouchannel Tourism-Management-System - Broken Access Control

jaychouchannel Tourism-Management-System contains an improper privilege management vulnerability caused by manipulation of the UsersEntity argument in User Register Endpoint, letting remote attackers escalate privileges, exploit requires crafted input.

CVSS base score 7.3 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.50% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-90523)

## Details

Type

Broken Access Control

Impact

Privilege Escalation

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Published

13 September 2026

Updated

15 October 2026

Weakness

[CWE-266](https://cwe.mitre.org/data/definitions/266.html)

## Vendor fix

Apply patch 84d8ec384f669df3985293dab293bb7b477efa64 or update to the latest version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-90523](https://nvd.nist.gov/vuln/detail/CVE-2026-90523)
- [https://vuldb.com/vuln/403113/cti](https://vuldb.com/vuln/403113/cti)
- [https://github.com/jaychouchannel/Tourism-Management-System/](https://github.com/jaychouchannel/Tourism-Management-System/)
- [https://github.com/jaychouchannel/Tourism-Management-System/commit/84d8ec384f669df3985293dab293bb7b477efa64](https://github.com/jaychouchannel/Tourism-Management-System/commit/84d8ec384f669df3985293dab293bb7b477efa64)
- [https://github.com/jaychouchannel/Tourism-Management-System/issues/10](https://github.com/jaychouchannel/Tourism-Management-System/issues/10)
- [https://vuldb.com/cve/CVE-2026-90523](https://vuldb.com/cve/CVE-2026-90523)
- [https://vuldb.com/submit/912244](https://vuldb.com/submit/912244)
- [https://vuldb.com/vuln/403113](https://vuldb.com/vuln/403113)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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