CVE-2026-40866

HIGH

Horilla: Unauthorized Document Overwrite via File Upload Endpoint

Title source: cna
STIX 2.1

Description

Horilla is a free and open source Human Resource Management System (HRMS). In 1.5.0, an insecure direct object reference in the employee document upload endpoint allows any authenticated user to overwrite or replace or corrupt another employee’s document by changing the document ID in the upload request. This enables unauthorized modification of HR records.

References (1)

Core 1
Core References

Scores

CVSS v4 8.6
EPSS 0.0021
EPSS Percentile 10.8%
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-284 CWE-639
Status published
Products (1)
horilla-opensource/horilla 1.5.0
Published Apr 21, 2026
Tracked Since Apr 22, 2026