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CVE-2026-40866

Horilla: Unauthorized Document Overwrite via File Upload Endpoint

HIGH
8.6
CVSS Score
Published: April 21, 2026 at 06:15 PM UTC
Updated: June 17, 2026 at 10:45 AM UTC
1 product affected across 1 vendorHorilla

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Severity
HIGH8.6
Exploit prediction
EPSS 0.2%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_CONFIRM
Source: cverecord
https://github.com/horilla/horilla-hr/security/advisories/GHSA-q2qh-v828-r4p7

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.6HIGHGitHub_M
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-284CWE-639

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