CVE-2026-59148
HIGH SEVERITYCVSS Score & Metrics
Base Score
8.8 / 10
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Vulnerability Description
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.
Vulnerability Details
Published Date
Last Modified
CWE ID
CWE-306
Source
NVD
Vendor
mockoon
Product
mockoon
External References
- https://github.com/mockoon/mockoon/commit/c420b5a56918475b8663977b51e5f986e45b3299
- https://github.com/mockoon/mockoon/pull/2254
- https://github.com/mockoon/mockoon/releases/tag/v9.7.0
- https://github.com/mockoon/mockoon/security/advisories/GHSA-rqx4-3f6q-3x2v
- https://mockoon.com/releases/9.7.0
- https://github.com/mockoon/mockoon/security/advisories/GHSA-rqx4-3f6q-3x2v
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