CVE-2026-40889: Frappe HR has Improper Access Control on Files

Severity: medium (CVSS 6.5 v3.1)
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 2026-10-26
Weakness: CWE-284

Description

Frappe HR is an open-source human resources management solution (HRMS). Prior to versions 15.58.2 and 16.4.2, authenticated users can access unauthorized files by exploiting certain api endpoint. Versions 15.58.2 and 16.4.2 contain a patch. No known workarounds are available.

Affected products

Frappe Hr: before 15.58.2; from 16.0.0 before 16.4.2 — fixed in 15.58.2, 16.4.2

How to fix

Upgrade to a fixed version: Frappe Hr 15.58.2, 16.4.2. Check the vendor advisory for mitigations.

References

https://github.com/frappe/hrms/releases/tag/v15.58.2
https://github.com/frappe/hrms/releases/tag/v16.4.2
https://github.com/frappe/hrms/security/advisories/GHSA-6cg5-4q6m-vrgm

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