CVE-2026-15630

Critical

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).

SeverityCritical

CVSS9.9

Exploit probability—

ProductCasdoor

PublishedJul 23, 2026

First seenJul 23, 2026

Weakness typeCWE-863Incorrect authorization CWE-269Improper privilege management CWE-639Authorization bypass through user-controlled key

How to fix

Update

Casdoor Casdoorv4.2.0 or later

Affected products

Product	Affected versions	Fixed in
Casdoor Casdoor	v < v4.2.0	v4.2.0

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