CVE-2026-88003 InvoicePlane: Failure to Revoke Administrative Privileges After Role Downgrade
A downgraded user retains admin access via stale session data, allowing them to restore administrative privileges and escalate permissions.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-88003?
CVE-2026-88003 is a high-severity vulnerability in InvoicePlane, published on 25 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
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.
Weakness: CWE-863
Which versions are affected by CVE-2026-88003?
How do I fix CVE-2026-88003?
No fix has been published for CVE-2026-88003 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-88003 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-88003 exists.
Sources
Also known as GHSA-25xj-pj36-wpp8.