CVE-2026-56081— Cap-go - Account Lockout via 2FA Misconfiguration on Unverified Email
Possible ATT&CK Techniques 3AI
T1199 · Trusted Relationship T1098.004 · SSH Authorized Keys T1136.001 · Local AccountGet alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-56081
Vulnerability Information
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Vulnerability Title
Cap-go - Account Lockout via 2FA Misconfiguration on Unverified Email
Source: NVD (National Vulnerability Database)
Vulnerability Description
Cap-go before 12.128.2 contains an authentication logic flaw that lets an attacker register and control an account bound to a victim's email address before that email is verified. By enabling two-factor authentication on the pre-registered account, the attacker gains control over the account claimed under the victim's identity, allowing them to read and modify its state and enforce organization-level policies, while the legitimate user is denied access to the account tied to their own email.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
忘记口令恢复机制弱
Source: NVD (National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-56081
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Vendor Advisories for CVE-2026-56081 (2)
Same Patch Batch · Cap-go · 2026-06-19 · 4 CVEs total
| CVE-2026-56073 | 9.4 CRITICAL | Cap-go - OTP Bypass via Response Manipulation in Email Verification |
| CVE-2026-56082 | 7.5 HIGH | Capgo - Unauthenticated Cross-Tenant Billing Log Tampering via public.record_build_time RP |
| CVE-2026-56080 | 4.9 MEDIUM | Cap-go - Authentication Logic Flaw in Enforce Password Policy |
IV. Related Vulnerabilities
Same product: capgo
- CVE-2026-56216
Capgo - Scope Escalation via API Key Creation in /functions/ - CVE-2026-56215
Capgo - Account Merge via Poisoned public.users.email in SSO - CVE-2026-56214
Capgo - Unauthenticated Organization Enumeration and Billing - CVE-2026-56213
Capgo - Unauthenticated Cross-Tenant Metrics Poisoning via u - CVE-2026-56212
Capgo - Improper 2FA Enforcement Logic via Team Security Set
Same vendor: Cap-go
- CVE-2026-56082
Capgo - Unauthenticated Cross-Tenant Billing Log Tampering v - CVE-2026-56080
Cap-go - Authentication Logic Flaw in Enforce Password Polic - CVE-2026-56073
Cap-go - OTP Bypass via Response Manipulation in Email Verif - CVE-2026-53982
Cap-go Console < 12.28.2 Account Deletion DoS via Device Ide - CVE-2026-53981
Cap-go < v12.128.2 Account Takeover via Unauthenticated Emai
Same weakness: CWE-640
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V. Comments for CVE-2026-56081
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