CVE-2026-88003

Summary

InvoicePlane is a self-hosted open source application for managing invoices, clients, and payments. Prior to 1.7.2, InvoicePlane fails to revoke administrative privileges after a role downgrade because Admin_Controller trusts the user_type snapshot stored in an existing session instead of revalidating ip_users.user_type. When one administrator downgrades another account, the target's active session continues to authorize administrative requests. The downgraded user can use Users::form() to set user_type back to 1, restoring the database role and making the privilege escalation persistent. This vulnerability is fixed in 1.7.2.

Affected Software

Weaknesses

• CWE-863: CWE-863: Incorrect Authorization

References

• https://github.com/InvoicePlane/InvoicePlane/security/advisories/GHSA-25xj-pj36-wpp8
• https://github.com/InvoicePlane/InvoicePlane/commit/904847f4e87b66fd6743cf9cc6f88b66c7fc3b81
• https://github.com/InvoicePlane/InvoicePlane/commit/daa49ce3a50e0c93e01459b69c0d61bfc23d23eb
• https://github.com/InvoicePlane/InvoicePlane/releases/tag/v1.7.2

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