CVE-2026-15630: CVE-2026-15630

Severity: critical (CVSS 9.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-23 · updated 2026-09-22
Weakness: CWE-269

Description

A non-global organization admin in one tenant can bypass tenant boundaries to delete, create, or modify resources in any other tenant by exploiting a mismatch between authorization (based on ?id=) and action (based on request body).

Affected products

Casdoor: before v4.2.0 — fixed in v4.2.0

How to fix

Upgrade to a fixed version: Casdoor v4.2.0. Check the vendor advisory for mitigations.

References

https://vokecyber.com/research/cve-2026-15630-casdoor-cross-tenant-authz
https://www.kb.cert.org/vuls/id/889462
https://vokecyber.com/research/cve-2026-15630-casdoor-cross-tenant-authz

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