CVE-2026-56318

6.9 mediumEPSS 0.4%

Medium (6.9). EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

6.9 medium

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

CVSS 3.1

5.3 medium

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

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 29% of CVEs (scores of 2026-10-31)
CWE: CWE-200
Published: 2026-06-30
Modified: 2026-07-01
Record from: the NVD, synced 2026-10-19

References

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

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