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CVE-2026-100362SuiteCRM: V8 OAuth2 Username Enumeration
SuiteCRM is an open-source, enterprise-ready Customer Relationship Management (CRM) software application. Prior to 7.15.2 and 8.10.2, the /legacy/Api/V8/OAuth2 password-grant endpoint returns distinct error messages for an invalid username and an invalid password. An unauthenticated remote attacker can use those response differences to enumerate valid CRM usernames and target confirmed accounts with password spraying, credential stuffing, brute-force, or social-engineering attacks. This issue is fixed in versions 7.15.2 and 8.10.2.
6.9 MEDIUMEPSS 0.44%Not in KEVNVD: Undergoing Analysis
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 6.9 | MEDIUM | 4.0GitHub_M (CNA) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N |
Details
- CVE ID
- CVE-2026-100362
- Status
- Undergoing Analysis
- Assigner (CNA)
- GitHub_M
- Published
- Nov 5, 2026
- Last modified
- 2026-11-05 19:16 UTC
- Weaknesses
- CWE-204 · Observable Response Discrepancy
Affected Products
As published by the CNA in the CVE record.
SuiteCRMSuiteCRM2 version ranges
- < 7.15.2
- >= 8.0.0, < 8.10.2
References
- github.com https://github.com/SuiteCRM/SuiteCRM-Core/commit/a11f50180d939f639cc468b5d536e8ad714dfb68
- github.com https://github.com/SuiteCRM/SuiteCRM-Core/releases/tag/v8.10.2
- github.com https://github.com/SuiteCRM/SuiteCRM/commit/d6bca97a0159ec019a969b86eca32affab3beb7c
- github.com https://github.com/SuiteCRM/SuiteCRM/releases/tag/v7.15.2
- github.com https://github.com/SuiteCRM/SuiteCRM/security/advisories/GHSA-rc46-hjjp-4jv5