CVE-2026-39397 - Vulnerability Analysis

Overview

@delmaredigital/payload-puck < 0.6.23 contains a broken access control vulnerability caused by default overrideAccess: true in /api/puck/* CRUD endpoints, letting attackers bypass collection-level access control, exploit requires no special privileges.

Severity & Score

Impact

Attackers can bypass collection-level access control, potentially accessing or modifying unauthorized data.

Mitigation

Update to version 0.6.23 or later.

References

• https://github.com/delmaredigital/payload-puck/commit/9148201c6bbfa140d44546438027a2f8a70f79a4
• https://github.com/delmaredigital/payload-puck/issues/7
• https://github.com/delmaredigital/payload-puck/security/advisories/GHSA-65w6-pf7x-5g85

Social Media Activity(1 post)

TheHackerWire

@thehackerwire

Apr 8, 2026

🔴 CVE-2026-39397 - Critical (9.4) @delmaredigital/payload-puck is a PayloadCMS plugin for integrating Puck visual page builder. Prior to 0.6.23, all /api/puck/* CRUD endpoint handlers registered by createPuckPlugin() called Payload's local API with the default overrideAccess: true... 🔗 https://www.thehackerwire.com/vulnerability/CVE-2026-39397/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

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