CVE-2026-90521

MEDIUMPre-NVD 6.36.3—
EchelonGraph scoreHIGH confidence

Score 6.3 from GitHub Security Advisory (severity: LOW) published 2026-09-13. a secondary CVSS source baseline 6.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this weekElevated
6.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.3Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
6.3
EG Score
6.3(high)
EG Risk
44(Track)
EG Risk 44/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity63% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
33%
KEV
Not listed

Published

September 13, 2026

Last Modified

September 14, 2026

Advisory Details (4)

Auto-updated Sep 13, 2026
Upstream fix merged — awaiting tagged release. Sources: github_pr, github_commit.
generic

GitHub - jaychouchannel/Tourism-Management-System: 一个基于 Spring Boot + MyBatis-Plus + Vue.js + MySQL 构建的全功能旅游综合管理平台，涵盖景点、酒店、餐厅、线路、导游、门票、社区等核心业务。 · GitHub

https://github.com/jaychouchannel/Tourism-Management-System/
github_commit

commit d44ec3aa0bd2 (jaychouchannel/Tourism-Management-System)

Fix landed in jaychouchannel/Tourism-Management-System commit d44ec3aa0bd2 — awaiting tagged release

https://github.com/jaychouchannel/Tourism-Management-System/commit/d44ec3aa0bd2a72c8800e3befb0a9a96a6491b86
github_pr

fix: resolve security issues #7 #8 #9

Fix merged in jaychouchannel/Tourism-Management-System PR #14 on 2026-07-27 — awaiting tagged release

https://github.com/jaychouchannel/Tourism-Management-System/pull/14
generic

Authenticated users can modify other users' records through IDOR · Issue #9 · jaychouchannel/Tourism-Management-System · GitHub

https://github.com/jaychouchannel/Tourism-Management-System/issues/9

Vendor Advisories for CVE-2026-90521(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 24× in last 7d / 28× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-20 01:29 UTCEG score recompute
  2. 2026-09-20 01:29 UTCGHSA enrichment
  3. 2026-09-19 00:41 UTCEG score recompute
  4. 2026-09-19 00:40 UTCGHSA enrichment
  5. 2026-09-18 19:28 UTCEPSS rescore
  6. 2026-09-17 23:52 UTCEG score recompute
  7. 2026-09-17 23:52 UTCGHSA enrichment
  8. 2026-09-17 19:32 UTCEPSS rescore
  9. 2026-09-16 22:47 UTCEG score recompute
  10. 2026-09-16 22:46 UTCGHSA enrichment
  11. 2026-09-16 14:09 UTCEPSS rescore
  12. 2026-09-16 05:15 UTCEPSS rescore
  13. 2026-09-15 21:56 UTCEG score recompute
  14. 2026-09-15 21:56 UTCGHSA enrichment
  15. 2026-09-15 03:12 UTCEPSS rescore
  16. 2026-09-14 21:07 UTCGHSA enrichment
  17. 2026-09-14 18:34 UTCEG score recompute
  18. 2026-09-14 18:33 UTCGHSA enrichment
  19. 2026-09-14 18:29 UTCNVD updateCVSS v4 → 2.1
  20. 2026-09-14 17:31 UTCEG score recompute
  21. 2026-09-14 17:31 UTCGHSA enrichment
  22. 2026-09-14 17:30 UTCMITRE cvelistV5CVSS v4 → 5.3
  23. 2026-09-14 14:09 UTCEG score recompute
  24. 2026-09-14 14:09 UTCGHSA enrichment
  25. 2026-09-13 13:20 UTCEG score recompute
Show 3 more
  1. 2026-09-13 13:20 UTCNVD updateCVSS v4 → 2.1
  2. 2026-09-13 12:55 UTCEG score recompute
  3. 2026-09-13 12:54 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-90521?
CVE-2026-90521 is a medium vulnerability published on September 13, 2026. 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…
When was CVE-2026-90521 disclosed?
CVE-2026-90521 was first published in the National Vulnerability Database on September 13, 2026, with the most recent update on September 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-90521 actively exploited?
CVE-2026-90521 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 66.7% of all scored CVEs.
What is the CVSS score of CVE-2026-90521?
CVE-2026-90521 has a CVSS v3 base score of 6.3 (NVD).
How do I remediate CVE-2026-90521?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-90521, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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