OpenAEV is an open source platform allowing organizations to plan, schedule and conduct cyber adversary simulation campaign and tests. Prior to version 2.260622.0, on a default installation, the `/api/player/**` lessons endpoints can be called without authentication, and they trust a client-supplied `userId` query parameter without verifying that the caller is that user or a member of the exercise. An unauthenticated client that knows an exercise UUID can read lessons-learned questions and answers (including each answer's author identity) and create or overwrite answers attributed to an arbitrary user. Version 2.260622.0 contains a patch.
History

Tue, 10 Nov 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 23 Oct 2026 00:45:00 +0000

Type Values Removed Values Added
First Time appeared Openaev-platform
Openaev-platform openaev
Vendors & Products Openaev-platform
Openaev-platform openaev

Wed, 14 Oct 2026 20:30:00 +0000

Type Values Removed Values Added
Description OpenAEV is an open source platform allowing organizations to plan, schedule and conduct cyber adversary simulation campaign and tests. Prior to version 2.260622.0, on a default installation, the `/api/player/**` lessons endpoints can be called without authentication, and they trust a client-supplied `userId` query parameter without verifying that the caller is that user or a member of the exercise. An unauthenticated client that knows an exercise UUID can read lessons-learned questions and answers (including each answer's author identity) and create or overwrite answers attributed to an arbitrary user. Version 2.260622.0 contains a patch.
Title OpenAEV has unauthenticated access and missing object-level authorization on player lessons API
Weaknesses CWE-306
CWE-639
CWE-862
References
Metrics cvssV3_1

{'score': 8.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2026-10-14T20:05:05.232Z

Updated: 2026-10-15T15:05:19.156Z

Reserved: 2026-08-07T18:26:53.523Z

Link: CVE-2026-71854

cve-icon Vulnrichment

Updated: 2026-10-15T13:55:52.058Z

cve-icon NVD

Status : Deferred

Published: 2026-10-14T21:17:39.177

Modified: 2026-10-16T20:04:29.760

Link: CVE-2026-71854

cve-icon Redhat

No data.