# CVE-2026-105859

## Summary

- **CVE ID:** CVE-2026-105859
- **Severity:** CRITICAL
- **CVSS Score:** 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** CWE-639, CWE-862
- **Published:** Oct 6, 2026
- **Last Modified:** Oct 6, 2026

## Description

Payload is a free and open source headless content management system. In versions before 3.90.0 and canary versions before 4.0.0-canary.34, an attacker can submit a request to a specific update endpoint that modifies collection documents without enforcing collection or field-level access control when orderable is enabled on a collection or join field. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.

## Affected Products

- payloadcms — payload (< 3.90.0)
- payloadcms — payload (>= 4.0.0-canary.0, < 4.0.0-canary.34)

## References

- [CNA](https://github.com/payloadcms/payload/security/advisories/GHSA-f7hx-52q9-hcrf)
- [CNA](https://github.com/payloadcms/payload/commit/36fa9af73dd04fa59f4b4a06d11454538c4c1409)
- [CNA](https://github.com/payloadcms/payload/releases/tag/v3.90.0)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.35%
- **EPSS Percentile:** 26.7

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-10-11._