PatchSiren cyber security CVE debrief

CVE-2026-15630 Casdoor CVE debrief

A critical vulnerability exists in Casdoor, allowing a non-global organization admin to bypass tenant boundaries and perform unauthorized actions on resources in other tenants. This issue arises from a mismatch between authorization and action based on request parameters. The vulnerability allows unauthorized actions such as delete, create, or modify resources across tenants. Defenders and administrators of multi-tenant Casdoor deployments should assess exposure and prioritize remediation due to the critical severity and potential for unauthorized actions across tenants. The CVE record and NVD entry provide details on the vulnerability, including its critical CVSS score of 9.9 and

Vendor: Casdoor
Product: Unknown
CVSS: CRITICAL 9.9
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-07-23
Original CVE updated: 2026-09-22
Advisory published: 2026-07-23
Advisory updated: 2026-09-22

Who should care

Defenders and administrators of multi-tenant Casdoor deployments should assess exposure and prioritize remediation due to the critical severity and potential for unauthorized actions across tenants.

Why it matters

CVE-2026-15630 is a critical vulnerability in Casdoor that allows unauthorized actions across tenants. Defenders should prioritize verification and remediation, especially in multi-tenant deployments, due to the high risk of exploitation and potential for significant impact.

Verify and restrict tenant access controls to prevent unauthorized actions
Monitor for suspicious activity across tenants to detect potential exploitation
Apply vendor patches or updates to remediate the vulnerability

Technical summary

The vulnerability allows a non-global organization admin to bypass tenant boundaries and perform actions such as delete, create, or modify resources in any other tenant. This is due to a mismatch between authorization based on the 'id' parameter and action based on the request body.

Defensive priority

Defenders should prioritize verifying and remediating this vulnerability, especially in multi-tenant Casdoor deployments.

Recommended defensive actions

Verify and apply vendor patches or updates for Casdoor
Review and restrict tenant access controls
Monitor for suspicious activity across tenants

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its critical CVSS score of 9.9 and affected vendor information. The vulnerability allows a non-global organization admin to bypass tenant boundaries and perform actions such as delete, create, or modify resources in any other tenant. This is due to a mismatch between authorization based on the 'id' parameter and action based on the request body. Defenders should prioritize verifying and remediating this

Sources and references

Verified primary and authoritative sources

CVE-2026-15630 CVE Program record
Publisher, destination, and source semantics verified

URL: https://www.cve.org/CVERecord?id=CVE-2026-15630

CVE Program - Official CVE Program record with source-provided CVE metadata.
CVE-2026-15630 NVD vulnerability detail
Publisher, destination, and source semantics verified

URL: https://nvd.nist.gov/vuln/detail/CVE-2026-15630

NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Source reference
Unverified legacy reference

URL: https://vokecyber.com/research/cve-2026-15630-casdoor-cross-tenant-authz

[email protected]
Source reference
Unverified legacy reference

URL: https://www.kb.cert.org/vuls/id/889462

af854a3a-2127-422b-91ae-364da2661108

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.