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CVE-2026-39397 - Vulnerability Analysis

CriticalCVSS: 9.4

Last Updated: April 7, 2026

@delmaredigital/payload-puck - Broken Access Control

Published: April 7, 2026Updated: April 7, 2026Remote Exploitable

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

Severity: Critical

CVSS Score: 9.4

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

Related Resources

Vulnerability Intelligence Dashboard
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Details

CVE ID: CVE-2026-39397
Severity: Critical
CVSS Score: 9.4
Type: broken_access_control
Status: new

CWE

CWE-862

CVSS Metrics

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