CVE-2026-40888 Frappe HR vulnerable to Improper Access Control

Medium 6.5 Published 21 Apr 2026 Updated 21 Apr 2026

An authenticated user with default roles can access unauthorized information via specific API endpoints in Frappe HR.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-40888?

CVE-2026-40888 is a medium-severity missing authorization vulnerability in frappe hrms, published on 21 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Frappe HR is an open-source human resources management solution (HRMS). Prior to versions 15.58.1 and 16.4.1, an authenticated user with default role can access unauthorized information by exploiting certain api endpoint. Versions 15.58.1 and 16.4.1 contain a patch. No known workarounds are available.

Weakness: CWE-284

Which versions are affected by CVE-2026-40888?

It affects 1 product.

Products include Frappe Frappe Hr.

How do I fix CVE-2026-40888?

No fix has been published for CVE-2026-40888 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-40888 being exploited?

There is no known exploitation of CVE-2026-40888 in the wild and no public exploit code.

Sources

Also known as GHSA-4375-7rxj-9hfx.