---
title: "CVE-2026-105855: Payload - Broken Access Control"
description: "Payload < 3.90.0 and canary < 4.0.0-canary.34 contain a broken access control caused by failure to enforce field-level update restrictions on the password field in the authentication collection, letting attackers modify passwords without proper authorization."
url: https://panop.io/threat-heartbeat/CVE-2026-105855/
---

# CVE-2026-105855 Payload - Broken Access Control

Payload < 3.90.0 and canary < 4.0.0-canary.34 contain a broken access control caused by failure to enforce field-level update restrictions on the password field in the authentication collection, letting attackers modify passwords without proper authorization.

CVSS base score 7.1 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.33% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-105855)

## Details

Type

Broken Access Control

Impact

Privilege Escalation, Broken Access Control

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N

Published

6 October 2026

Updated

15 October 2026

Weakness

[CWE-284](https://cwe.mitre.org/data/definitions/284.html)

## Vendor fix

Upgrade to version 3.90.0 or 4.0.0-canary.34 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-105855](https://nvd.nist.gov/vuln/detail/CVE-2026-105855)
- [https://github.com/payloadcms/payload/releases/tag/v3.90.0](https://github.com/payloadcms/payload/releases/tag/v3.90.0)
- [https://github.com/payloadcms/payload/security/advisories/GHSA-fx49-4h83-wjv9](https://github.com/payloadcms/payload/security/advisories/GHSA-fx49-4h83-wjv9)
- [https://github.com/payloadcms/payload/commit/9de9e7911e29d60870a1d5480412524c63d6411e](https://github.com/payloadcms/payload/commit/9de9e7911e29d60870a1d5480412524c63d6411e)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)