Capgo before 12.128.2 contains an information disclosure vulnerability in the /private/validate_password_compliance endpoint that returns different error responses for malformed, non-existent, and existing organization IDs. Unauthenticated attackers can enumerate valid organization UUIDs by observing response status codes and error messages, allowing confirmation of organization existence.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation poc

Automatable yes

Technical Impact partial

Affected Vendors & Products

Vendors Products
Cap-go
  • Cap-go

No data.

No data.

References
Link Providers
https://github.com/Cap-go/capgo/security/advisories/GHSA-fwwh-rqv7-6pjf cve-icon cve-icon
https://www.vulncheck.com/advisories/capgo-information-disclosure-via-private-validate-password-compliance-endpoint cve-icon
History

Wed, 01 Jul 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 01 Jul 2026 09:30:00 +0000

Type Values Removed Values Added
First Time appeared Cap-go
Cap-go cap-go
Vendors & Products Cap-go
Cap-go cap-go

Tue, 30 Jun 2026 22:45:00 +0000

Type Values Removed Values Added
Description Capgo before 12.128.2 contains an information disclosure vulnerability in the /private/validate_password_compliance endpoint that returns different error responses for malformed, non-existent, and existing organization IDs. Unauthenticated attackers can enumerate valid organization UUIDs by observing response status codes and error messages, allowing confirmation of organization existence.
Title Capgo - Information Disclosure via /private/validate_password_compliance Endpoint
Weaknesses CWE-200
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

cvssV4_0

{'score': 6.9, 'vector': '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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-06-30T22:08:29.937Z

Updated: 2026-07-01T13:17:49.916Z

Reserved: 2026-06-20T12:59:07.917Z

Link: CVE-2026-56318

cve-icon Vulnrichment

Updated: 2026-07-01T13:17:41.843Z

cve-icon NVD

No data.

cve-icon Redhat

No data.