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CVE-2026-105859

9.8 CRITICALpublic exploit available

Published 2026-10-06 · Updated 2026-10-06

AI risk analysis

Summary
The flaw allows an attacker to modify collection documents in a headless content management system without proper access control, leading to unauthorized data changes.
Exploitability
Exploitation is relatively straightforward if an attacker can submit a request to the specific update endpoint, requiring access to the system and knowledge of the endpoint.
Blast radius
If exploited, this could lead to significant data breaches and unauthorized modifications, impacting the integrity and confidentiality of the system's content.
Detection
No reliable host or network indicator is derivable from the published description.
Prioritized remediation
Upgrade to version 3.90.0 or 4.0.0-canary.34 or later.
webauth-bypassdata-modification

Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.

NVD 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.

CVSS vector

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

Weaknesses

CWE-639, CWE-862

Public exploit & PoC references

All references

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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