CVE intelligence and bounded remediation

CVE-2026-2665 — A vulnerability was detected in huanzi-qch base-admin up to 57a8126bb3353a004f3c7722089e3b926ea83596

Medium CVSS 6.5

A vulnerability was detected in huanzi-qch base-admin up to 57a8126bb3353a004f3c7722089e3b926ea83596. Impacted is the function Upload of the file SysFileController.java of the component JSP Parser. Performing a manipulation of the argument File results in unrestricted upload. The attack can be initiated remotely. The exploit is now public and may be used. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The project was informed of the problem early through an issue report but has not responded yet.

Severity
Medium
CVSS
6.5 (2.0)
Published
2026-02-18
CISA KEV
Not currently listed
Ecosystem
java/maven
Weaknesses
CWE-284, CWE-434

Affected products

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Matched remediation archetype

Authorization bypass, IDOR, and cross-tenant access

This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.

Check exposure

  • Map object and action authorization checks across API, UI, batch, import/export, and background-job paths.
  • Identify tenant, ownership, role, and policy boundaries for affected resources and administrative operations.
  • Use synthetic fixtures to compare intended access matrices without accessing another user's real data.

Remediate safely

  • Enforce server-side authorization at each resource access and state transition using the authenticated principal and trusted tenant context.
  • Scope data queries by tenant and ownership; treat client-supplied identifiers, roles, and policy claims as untrusted.
  • Add deny-by-default policy tests for horizontal and vertical access across every affected transport.

Authoritative sources

Complete CVE record and remediation plan

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