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

Severity: medium (CVSS 6.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-21 · updated 2026-10-25
Weakness: CWE-284

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.

Affected products

Frappe Hr: before 15.58.1; from 16.0.0 before 16.4.1 — fixed in 15.58.1, 16.4.1

How to fix

Upgrade to a fixed version: Frappe Hr 15.58.1, 16.4.1. Check the vendor advisory for mitigations.

References

https://github.com/frappe/hrms/releases/tag/v15.58.1
https://github.com/frappe/hrms/releases/tag/v16.4.1
https://github.com/frappe/hrms/security/advisories/GHSA-4375-7rxj-9hfx

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