← CVE Radar
CVE-2026-59148Mockoon: Unauthenticated admin API + wildcard CORS allows mock-state hijack and secret theft
Mockoon provides way to design and run mock APIs. Prior to 9.7.0, Mockoon's admin API in commons-server/src/libs/server/admin-api.ts is mounted on the same Express listener as user-defined mock routes, enabled by default in shipped runtimes, serves Access-Control-Allow-Origin: * with write methods allowed, and has no authentication. Any unauthenticated caller who can reach the mock server port can read MOCKOON_* environment variables, write arbitrary process environment variables through /mockoon-admin/env-vars, rewrite mock route bodies, statuses, and headers through PUT /mockoon-admin/environment, read transaction logs and SSE streams, and purge state. This issue is fixed in version 9.7.0.
8.8 HIGHEPSS 0.26%Not in KEVNVD: Deferred
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 8.8 | HIGH | 3.1GitHub_M (CNA) | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Details
- CVE ID
- CVE-2026-59148
- Status
- Deferred
- Assigner (CNA)
- GitHub_M
- Published
- Jul 9, 2026
- Last modified
- 2026-07-10 19:15 UTC
Affected Products
As published by the CNA in the CVE record.
mockoonmockoon1 version range
- < 9.7.0
References
- github.com https://github.com/mockoon/mockoon/commit/c420b5a56918475b8663977b51e5f986e45b3299
- github.com https://github.com/mockoon/mockoon/pull/2254
- github.com https://github.com/mockoon/mockoon/releases/tag/v9.7.0
- github.com https://github.com/mockoon/mockoon/security/advisories/GHSA-rqx4-3f6q-3x2v
- mockoon.com https://mockoon.com/releases/9.7.0