Missing Authorization Affecting avo package, versions <3.32.1>=4.0.0.beta.0, <4.0.0.beta.51
Threat Intelligence
Exploit Maturity
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
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- published23 Jun 2026
- disclosed20 Jun 2026
- creditxIllunight
Introduced: 20 Jun 2026
NewCVE-2026-55518 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade avo to version 3.32.1, 4.0.0.beta.51 or higher.
Overview
Affected versions of this package are vulnerable to Missing Authorization in the POST /resources/:resource/:id/:related endpoint. An attacker can gain unauthorized access to sensitive relationships and escalate privileges by sending crafted POST requests to manipulate associations, potentially leading to cross-tenant data exposure, integrity loss, and policy bypass.