Vulnerability · Published Sep 13, 2026 · Assigned by VulDB

CVE-2026-90521jaychouchannel Tourism-Management-System CRUD MenpiaodingdanController.java authorization

Medium 6.3

In plain English

A medium-severity authorization bypass via user-controlled key in Tourism-Management-System from jaychouchannel. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)0.4%top 66.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was found in jaychouchannel Tourism-Management-System up to 8122bf020d91199eddfff3ee02d1632a70a9a132. This issue affects some unknown processing of the file MenpiaodingdanController.java of the component CRUD. The manipulation of the argument ID results in authorization bypass. It is possible to launch the attack remotely. The exploit has been made public and could be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The patch is identified as d44ec3aa0bd2a72c8800e3befb0a9a96a6491b86. It is best practice to apply a patch to resolve this issue.

Affected products (as reported)

Vendor	Product	Versions
jaychouchannel	Tourism-Management-System	8122bf020d91199eddfff3ee02d1632a70a9a132

Weakness: CWE-639, CWE-285 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

References

VDB-403111 | jaychouchannel Tourism-Management-System CRUD MenpiaodingdanController.java authorization vdb-entry, technical-description
VDB-403111 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
CVE-2026-90521 | CVE Analysis and Report third-party-advisory
Submit #912235 | jaychouchannel Tourism_Management_System 8122bf020d91199eddfff3ee02d1632a70a9a132 Authorization Bypass Through User-Controlled SQL Primary Key third-party-advisory
https://github.com/jaychouchannel/Tourism-Management-System/issues/9 exploit, issue-tracking
https://github.com/jaychouchannel/Tourism-Management-System/pull/14 issue-tracking, patch
https://github.com/jaychouchannel/Tourism-Management-System/commit/d44ec3aa0bd2a72c8800e3befb0a9a96a6491b86 patch
https://github.com/jaychouchannel/Tourism-Management-System/ product