Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-90521
jaychouchannel Tourism-Management-System CRUD MenpiaodingdanController.java authorization
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N L N L L L 2.1 .0039 31.1 —
AFFECTED
Product Versions Fixed
Tourism-Management-System 8122bf020d91199eddfff3ee02d1632a70a9a132 – —
TIMELINE
Sep 12 Reserved by VulDB
Sep 13 Published (CNA: VulDB)
Sep 14 EXPLOIT PUBLISHED — CVE-2026-90521 (jaychouchannel Tourism-Management-System). Public exploit reference added.
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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| September 12, 2026 | Reserved | Reserved by VulDB |
| September 13, 2026 | Published | Published (CNA: VulDB) |
| September 14, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-90521 (jaychouchannel Tourism-Management-System). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| jaychouchannel | Tourism-Management-System | — | 8122bf020d91199eddfff3ee02d1632a70a9a132 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-90521 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.