Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessSuper Admin enables Enforce Password Policy feature
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DeliverySuper Admin performs compliant password change
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ExploitBackend accepts new password but omits compliance-state update
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ExecutionStale non-compliant flag persists in backend
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PersistEvery subsequent authenticated session triggers forced password-reset redirect
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ImpactSuper Admin permanently locked out of organization management
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication mechanism validation
MITRE ATT&CK
2 techniques across 2 tactics: Defense Evasion, Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | The vulnerability requires two specific conditions: (1) the Enforce Password Policy feature must be explicitly enabled within the Capgo organization by a Super Admin, and (2) the Super Admin must subsequently perform a compliant password change through the policy-driven reset flow. The flaw does not affect organizations where the password policy feature is disabled, and it does not affect non-Super Admin accounts. External unauthenticated attackers cannot trigger this condition - it is inherently self-inflicted by the highest-privileged account performing routine administrative configuration. Exploitation is further limited to Capgo versions before 12.128.2. The CVSS PR:H metric confirms the Super Admin privilege requirement. No network-level conditions, special protocol configurations, or external dependencies are required beyond the Capgo platform itself. |
| Impact | The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N, score 6.9) accurately models the key risk trade-off: network accessibility with low complexity, but gated behind Super Admin privileges (PR:H). The availability impact is high because the lockout is permanent and affects organization-level administrative access, not just a single feature. No EPSS score was provided in the intelligence data, no CISA KEV listing exists, and no public proof-of-concept code has been identified, making real-world exploitation probability non-quantifiable from current data. The threat model is atypical: this is a self-triggered defect rather than an externally exploitable flaw - an attacker cannot force this condition on a victim without already holding Super Admin credentials. The practical severity is highest for organizations with a single Super Admin account, where the lockout could permanently disrupt administrative recovery operations. The absence of confidentiality or integrity impact limits the blast radius to operational disruption. |
| Exploit ScenarioDerived | A Super Admin navigates to the Capgo organization settings, enables Enforce Password Policy, and proceeds through the mandated password-change flow, entering a new password that meets all policy requirements. The backend accepts the password as valid but fails to flip the compliance flag, so every subsequent login attempt immediately redirects the admin to the password-reset prompt. The Super Admin is permanently locked out of all organization management functions with no self-service recovery path, constituting a complete denial of administrative service. |
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Alert meAnalysisAIv1 – Jun 19, 2026
Capgo's Enforce Password Policy feature in versions before 12.128.2 permanently locks Super Admins out of their organization through a backend state management flaw, constituting a targeted denial-of-service against administrative access. When a Super Admin enables the password policy and successfully changes their password to a policy-compliant value, the backend fails to mark the account compliant, trapping the account in an infinite forced-password-reset loop and severing all organization management access. No public exploit code has been identified and the vulnerability is not listed in CISA KEV; the CVSS 4.0 score of 6.9 reflects the high-privilege prerequisite and pure availability impact with no confidentiality or integrity consequence.
RemediationAI
Upgrade Capgo to version 12.128.2 or later, which resolves the backend compliance-state update failure per vendor GitHub Security Advisory GHSA-78rv-3cqj-36xq (https://github.com/Cap-go/capgo/security/advisories/GHSA-78rv-3cqj-36xq). For organizations unable to patch immediately, the most targeted compensating control is to disable or defer enabling the Enforce Password Policy feature until the upgrade is applied, as the flaw is only triggered by activating this specific feature; note that this reduces password governance posture and may conflict with compliance requirements. Organizations with multiple Super Admin accounts should ensure at least one secondary Super Admin is enrolled and not subject to the lockout, preserving recovery access in the event a primary admin account is trapped in the reset loop.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in euvd
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
Capgo is a mobile application live-update platform (CPE: cpe:2.3:a:cap-go:capgo:*:*:*:*:*:*:*:*). The vulnerability resides in the backend logic governing the Enforce Password Policy feature's compliance-state lifecycle. Under CWE-287 (Improper Authentication), the authentication state machine incorrectly persists a 'non-compliant' flag after a legitimate and successful password change has been completed. The backend should atomically update the account's compliance status upon confirming a valid compliant password, but this transition is absent. As a result, the authentication flow continuously redirects the Super Admin to the password-reset prompt regardless of credential validity, breaking the expected post-change session state and locking the administrator out of all organization-scoped operations.
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Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Network-accessible flaw gated behind Super Admin privileges (PR:H); only availability impacted as the lockout causes no confidentiality or integrity consequence.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
1DescriptionCVE.org
Capgo before 12.128.2 contains a flaw in the Enforce Password Policy feature: after a Super Admin enables the policy and successfully changes their password to a compliant one, the backend does not update the password-compliance state. As a result, the backend continues to treat the account as non-compliant and repeatedly forces password-reset prompts, permanently locking the Super Admin out of organization access (organization lockout / denial of service) despite valid authentication.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.
Account pre-registration hijack in Capgo before 12.128.2 lets a remote unauthenticated attacker claim an account under a
Cross-domain SSO account takeover in Capgo before 12.128.2 allows an attacker with enterprise org admin access and a mal
Authentication bypass in Capgo prior to version 12.128.2 lets attackers defeat email-based OTP verification by tampering
Authentication bypass in Capgo before 12.128.2 lets remote unauthenticated attackers mint arbitrary API keys by tamperin
Rate-limit bypass in Capgo versions prior to 12.128.2 lets remote unauthenticated attackers flood the channel_self endpo
Cross-tenant data poisoning in Supabase Capgo before 12.128.2 allows remote unauthenticated attackers to corrupt billing
Server-side privilege escalation in Capgo before 12.128.2 lets authenticated users holding build permissions abuse a pat
Unauthenticated information disclosure in Capgo before 12.128.2 lets remote attackers query the /functions/v1/channel_se
Unauthenticated information disclosure in Capgo before 12.128.2 exposes confidential business metrics through the Supaba
Unauthenticated denial of service in Cap-go capgo (capgo-backend) before 12.128.12 allows remote attackers to exhaust Po
Account takeover in Capgo before 12.128.2 stems from a password-change endpoint that omits current-password validation (
Information disclosure in Capgo (Capacitor live-update/OTA platform) before 12.128.2 lets unauthenticated callers abuse
EUVD-2026-38094
GHSA-q28q-5xw5-9f2r
NVD
CVE.org
EPSS
Vulnrichment
VulDB
Exploit-DB