CVE-2026-55518

Avo is a framework to create admin panels for Ruby on Rails apps. Prior to 3.32.1 and 4.0.0.beta.51, Avo's association attach workflow checks attach? in the UI and GET /resources/:resource/:id/:related/new path, but the actual write endpoint, POST /resources/:resource/:id/:related, does not run t...

CVE-2026-55518

Avo (Ruby on Rails) suffers a server-side authorization gap in the association attach endpoint. Prior to 3.32.1 and 4.0.0.beta.51, the UI checks attach_? and GET /resources/:resource/:id/:related/new, but POST /resources/:resource/:id/:related (Avo::AssociationsController#create) does not enforce...

CVE-2026-55518 Avo: Missing Authorization in Avo Association Attach Endpoint Allows Unauthorized Relationship Manipulation and Privilege Escalation

Avo is a framework to create admin panels for Ruby on Rails apps. Prior to 3.32.1 and 4.0.0.beta.51, Avo's association attach workflow checks attach? in the UI and GET /resources/:resource/:id/:related/new path, but the actual write endpoint, POST /resources/:resource/:id/:related, does not run t...

CVE-2026-55518 Avo: Missing Authorization in Avo Association Attach Endpoint Allows Unauthorized Relationship Manipulation and Privilege Escalation

Avo is a framework to create admin panels for Ruby on Rails apps. Prior to 3.32.1 and 4.0.0.beta.51, Avo's association attach workflow checks attach? in the UI and GET /resources/:resource/:id/:related/new path, but the actual write endpoint, POST /resources/:resource/:id/:related, does not run t...

Avo: Missing Authorization in Avo Association Attach Endpoint Allows Unauthorized Relationship Manipulation and Privilege Escalation

Summary A critical missing authorization flaw exists in Avo's association attach workflow. The UI and GET /resources/:resource/:id/:related/new path can check attach?, but the actual write endpoint, POST /resources/:resource/:id/:related, does not run the same authorization check before mutating...

GHSA-8FQ9-273G-6MRG Avo: Missing Authorization in Avo Association Attach Endpoint Allows Unauthorized Relationship Manipulation and Privilege Escalation

Summary A critical missing authorization flaw exists in Avo's association attach workflow. The UI and GET /resources/:resource/:id/:related/new path can check attach?, but the actual write endpoint, POST /resources/:resource/:id/:related, does not run the same authorization check before mutating...

Avo - Missing Authorization in Avo Association Attach Endpoint Allows Unauthorized Relationship Manipulation and Privilege Escalation

Summary A critical missing authorization flaw exists in Avo's association attach workflow. The UI and GET /resources/:resource/:id/:related/new path can check attach?, but the actual write endpoint, POST /resources/:resource/:id/:related, does not run the same authorization check before mutating...

PT-2026-50602

Name of the Vulnerable Software and Affected Versions Avo versions prior to 3.32.1 Avo versions prior to 4.0.0.beta.51 Description A missing authorization check in the association attach workflow allows authenticated low-privileged users to bypass UI restrictions and directly attach related recor...