OpenAEV Vulnerable to Username/Email Enumeration Through Differential HTTP Responses in Password Reset API

Summary

CVECVE-2026-24468
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-20 16:16:41 UTC
Updated2026-04-20 18:59:16 UTC
DescriptionOpenAEV is an open source platform allowing organizations to plan, schedule and conduct cyber adversary simulation campaign and tests. Starting in version 1.11.0 and prior to version 2.0.13, the /api/reset endpoint behaves differently depending on whether the supplied username exists in the system. When a non-existent email is provided in the login parameter, the endpoint returns an HTTP 400 response (Bad Request). When a valid email is supplied, the endpoint responds with HTTP 200. This difference in server responses creates an observable discrepancy that allows an attacker to reliably determine which emails are registered in the application. By automating requests with a list of possible email addresses, an attacker can quickly build a list of valid accounts without any authentication. The endpoint should return a consistent response regardless of whether the username exists in order to prevent account enumeration. Version 2.0.13 fixes this issue.

Risk And Classification

Primary CVSS: v3.1 5.3 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS: 0.000500000 probability, percentile 0.153980000 (date 2026-04-21)

Problem Types: CWE-204 | CWE-204 CWE-204: Observable Response Discrepancy


VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
3.1CNADECLARED5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA OpenAEV-Platform Openaev affected >= 1.11.0, < 2.0.13 Not specified

References

ReferenceSourceLinkTags
github.com/OpenAEV-Platform/openaev/security/advisories/GHSA-v6rg-hf9w-f8ph [email protected] github.com
github.com/OpenAEV-Platform/openaev/commit/3430fe23a9244030d06fdf8e67715... [email protected] github.com
github.com/OpenAEV-Platform/openaev/releases/tag/2.0.13 [email protected] github.com
github.com/OpenAEV-Platform/openaev/blob/82fa7d0009017110c9b509d0dc1b3a7... [email protected] github.com
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