{"id":"CVE-2026-56318","aliases":["EUVD-2026-40436","GHSA-663r-mq2m-pmfm","GHSA-fwwh-rqv7-6pjf"],"status":"published","title":"Capgo - Information Disclosure via /private/validate_password_compliance Endpoint","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.","severity":{"version":"4.0","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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00358,"percentile":0.29989,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2026-06-30T22:08:29Z","modified":"2026-10-28T02:30:37Z","products":[{"vendor":"cap-go","product":"capgo"},{"vendor":"capgo","product":"capgo"}],"references":[{"url":"https://github.com/Cap-go/capgo/security/advisories/GHSA-fwwh-rqv7-6pjf","tags":["vendor-advisory","exploit","advisory"]},{"url":"https://www.vulncheck.com/advisories/capgo-information-disclosure-via-private-validate-password-compliance-endpoint","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56318","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-663r-mq2m-pmfm"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56318.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-56318","title":"Capgo - Information Disclosure via /private/validate_password_compliance Endpoint","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.","status":"published","published":"2026-06-30T22:08:29.937Z","modified":"2026-07-01T13:17:49.916Z","cvss":[{"version":"4.0","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","level":"medium","assessor":"cna"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T13:37:02.780526Z"}],"euvd":[{"id":"EUVD-2026-40436","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.","status":"published","published":"2026-06-30T22:08:29Z","modified":"2026-07-01T13:17:49Z","cvss":[{"version":"4.0","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","level":"medium"}],"updated_at":"2026-11-02T18:20:20.297775Z"}],"ghsa":[{"id":"GHSA-663r-mq2m-pmfm","title":"Capgo before 12.128.2 contains an information disclosure vulnerability in the /private...","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.","status":"published","published":"2026-07-01T00:34:13Z","modified":"2026-07-01T00:34:39Z","cvss":[{"version":"4.0","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:09:07.106222Z"}],"nvd":[{"id":"CVE-2026-56318","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.","status":"published","published":"2026-06-30T23:17:29.993Z","modified":"2026-07-01T14:16:46.013Z","cvss":[{"version":"4.0","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:12:26.866638Z"}],"osv":[{"id":"CVE-2026-56318","title":"Capgo - Information Disclosure via /private/validate_password_compliance Endpoint","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.","status":"published","published":"2026-06-30T22:08:29.937Z","modified":"2026-10-28T02:30:37.710618448Z","cvss":[{"version":"4.0","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","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:45:11.609219Z"}]}}