CVE-2026-33030: nginx-UI has Unencrypted Storage of DNS API Tokens and ACME Private Keys

March 30, 2026

Nginx-UI contains an Insecure Direct Object Reference (IDOR) vulnerability that allows any authenticated user to access, modify, and delete resources belonging to other users. The application’s base Model struct lacks a user_id field, and all resource endpoints perform queries by ID without verifying user ownership, enabling complete authorization bypass in multi-user environments.

File	Line	Current	Fix
`model/dns_credential.go`	7	`serializer:json`	`serializer:json[aes]`
`model/acme_user.go`	Key field	`serializer:json`	`serializer:json[aes]`

References

github.com/0xJacky/nginx-ui
github.com/0xJacky/nginx-ui/releases/tag/v2.3.4
github.com/0xJacky/nginx-ui/security/advisories/GHSA-5hf2-vhj6-gj9m
github.com/advisories/GHSA-5hf2-vhj6-gj9m
nvd.nist.gov/vuln/detail/CVE-2026-33030

Code Behaviors & Features

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