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6 vulnerabilities by mockoon
CVE-2026-59149 (GCVE-0-2026-59149)
Vulnerability from nvd – Published: 2026-07-09 18:28 – Updated: 2026-07-09 18:41
VLAI
EPSS
VEX
Title
Mockoon: Path traversal in templated `filePath` lets a request escape the served directory (prefix-only base check)
Summary
Mockoon provides way to design and run mock APIs. Prior to 9.7.0, a FILE response whose filePath embeds request data is confined by getSafeFilePath in packages/commons-server/src/libs/server/server.ts with resolvedPath.startsWith(staticBaseDir). That prefix test has no path-separator boundary, so a ../-escaped path whose absolute form string-prefixes the base directory passes, allowing an unauthenticated client to read files from sibling paths outside the served directory through HTTP sendFile, WebSocket, or callbacks. This issue is fixed in version 9.7.0.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/mockoon/mockoon/security/advis… | x_refsource_CONFIRM |
| https://github.com/mockoon/mockoon/pull/2255 | x_refsource_MISC |
| https://github.com/mockoon/mockoon/commit/b42bdfb… | x_refsource_MISC |
| https://github.com/mockoon/mockoon/releases/tag/v9.7.0 | x_refsource_MISC |
| https://mockoon.com/releases/9.7.0 | x_refsource_MISC |
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CVE-2026-59148 (GCVE-0-2026-59148)
Vulnerability from nvd – Published: 2026-07-09 18:27 – Updated: 2026-07-09 19:24
VLAI
EPSS
VEX
Title
Mockoon: Unauthenticated admin API + wildcard CORS allows mock-state hijack and secret theft
Summary
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.
Severity
8.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/mockoon/mockoon/security/advis… | x_refsource_CONFIRM |
| https://github.com/mockoon/mockoon/pull/2254 | x_refsource_MISC |
| https://github.com/mockoon/mockoon/commit/c420b5a… | x_refsource_MISC |
| https://github.com/mockoon/mockoon/releases/tag/v9.7.0 | x_refsource_MISC |
| https://mockoon.com/releases/9.7.0 | x_refsource_MISC |
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CVE-2025-59049 (GCVE-0-2025-59049)
Vulnerability from nvd – Published: 2025-09-10 18:49 – Updated: 2025-09-10 19:19
VLAI
EPSS
VEX
Title
Mockoon has a Path Traversal and LFI in the static file serving endpoint
Summary
Mockoon provides way to design and run mock APIs. Prior to version 9.2.0, a mock API configuration for static file serving follows the same approach presented in the documentation page, where the server filename is generated via templating features from user input is vulnerable to Path Traversal and LFI, allowing an attacker to get any file in the mock server filesystem.
The issue may be particularly relevant in cloud hosted server instances. Version 9.2.0 fixes the issue.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/mockoon/mockoon/security/advis… | x_refsource_CONFIRM |
| https://github.com/mockoon/mockoon/commit/c7f6e23… | x_refsource_MISC |
| https://github.com/mockoon/mockoon/blob/1ed31c405… | x_refsource_MISC |
| https://github.com/mockoon/mockoon/blob/1ed31c405… | x_refsource_MISC |
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CVE-2026-59149 (GCVE-0-2026-59149)
Vulnerability from cvelistv5 – Published: 2026-07-09 18:28 – Updated: 2026-07-09 18:41
VLAI
EPSS
VEX
Title
Mockoon: Path traversal in templated `filePath` lets a request escape the served directory (prefix-only base check)
Summary
Mockoon provides way to design and run mock APIs. Prior to 9.7.0, a FILE response whose filePath embeds request data is confined by getSafeFilePath in packages/commons-server/src/libs/server/server.ts with resolvedPath.startsWith(staticBaseDir). That prefix test has no path-separator boundary, so a ../-escaped path whose absolute form string-prefixes the base directory passes, allowing an unauthenticated client to read files from sibling paths outside the served directory through HTTP sendFile, WebSocket, or callbacks. This issue is fixed in version 9.7.0.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/mockoon/mockoon/security/advis… | x_refsource_CONFIRM |
| https://github.com/mockoon/mockoon/pull/2255 | x_refsource_MISC |
| https://github.com/mockoon/mockoon/commit/b42bdfb… | x_refsource_MISC |
| https://github.com/mockoon/mockoon/releases/tag/v9.7.0 | x_refsource_MISC |
| https://mockoon.com/releases/9.7.0 | x_refsource_MISC |
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CVE-2026-59148 (GCVE-0-2026-59148)
Vulnerability from cvelistv5 – Published: 2026-07-09 18:27 – Updated: 2026-07-09 19:24
VLAI
EPSS
VEX
Title
Mockoon: Unauthenticated admin API + wildcard CORS allows mock-state hijack and secret theft
Summary
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.
Severity
8.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/mockoon/mockoon/security/advis… | x_refsource_CONFIRM |
| https://github.com/mockoon/mockoon/pull/2254 | x_refsource_MISC |
| https://github.com/mockoon/mockoon/commit/c420b5a… | x_refsource_MISC |
| https://github.com/mockoon/mockoon/releases/tag/v9.7.0 | x_refsource_MISC |
| https://mockoon.com/releases/9.7.0 | x_refsource_MISC |
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CVE-2025-59049 (GCVE-0-2025-59049)
Vulnerability from cvelistv5 – Published: 2025-09-10 18:49 – Updated: 2025-09-10 19:19
VLAI
EPSS
VEX
Title
Mockoon has a Path Traversal and LFI in the static file serving endpoint
Summary
Mockoon provides way to design and run mock APIs. Prior to version 9.2.0, a mock API configuration for static file serving follows the same approach presented in the documentation page, where the server filename is generated via templating features from user input is vulnerable to Path Traversal and LFI, allowing an attacker to get any file in the mock server filesystem.
The issue may be particularly relevant in cloud hosted server instances. Version 9.2.0 fixes the issue.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/mockoon/mockoon/security/advis… | x_refsource_CONFIRM |
| https://github.com/mockoon/mockoon/commit/c7f6e23… | x_refsource_MISC |
| https://github.com/mockoon/mockoon/blob/1ed31c405… | x_refsource_MISC |
| https://github.com/mockoon/mockoon/blob/1ed31c405… | x_refsource_MISC |
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