{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-53868: Capgo < 12.128.2 - Denial of Service via Unverified Email Account Registration and Deletion","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-53868","status":"final","version":"1","initial_release_date":"2026-06-12T21:57:03.338Z","current_release_date":"2026-06-12T21:57:03.338Z","revision_history":[{"date":"2026-06-12T21:57:03.338Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"Capgo before 12.128.2 contains a denial of service vulnerability allowing attackers to register accounts using arbitrary email addresses without verification, then initiate deletion to lock emails in pending deletion state. Attackers can permanently lock legitimate users out of the platform for 30 days by exploiting unverified email ownership in account lifecycle operations.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-53868 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-53868"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-53868"},{"category":"external","summary":"GHSA Advisory GHSA-3wfv-m8fq-7r5g","url":"https://github.com/Cap-go/capgo/security/advisories/GHSA-3wfv-m8fq-7r5g"},{"category":"external","summary":"VulnCheck Advisory: Capgo < 12.128.2 - Denial of Service via Unverified Email Account Registration and Deletion","url":"https://www.vulncheck.com/advisories/capgo-denial-of-service-via-unverified-email-account-registration-and-deletion"}]},"product_tree":{"branches":[{"category":"vendor","name":"Capgo","branches":[{"category":"product_name","name":"Capgo","branches":[{"category":"product_version_range","name":"<12.128.2","product":{"name":"Capgo Capgo <12.128.2","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:capgo:capgo:*:*:*:*:*:*:*:*"}}},{"category":"product_version","name":"12.128.2","product":{"name":"Capgo Capgo 12.128.2","product_id":"CSAFPID-2","product_identification_helper":{"cpe":"cpe:2.3:a:capgo:capgo:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-53868","title":"Capgo < 12.128.2 - Denial of Service via Unverified Email Account Registration and Deletion","notes":[{"category":"description","text":"Capgo before 12.128.2 contains a denial of service vulnerability allowing attackers to register accounts using arbitrary email addresses without verification, then initiate deletion to lock emails in pending deletion state. Attackers can permanently lock legitimate users out of the platform for 30 days by exploiting unverified email ownership in account lifecycle operations.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"],"fixed":["CSAFPID-2"]},"scores":[{"cvss_v4":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","baseScore":8.7,"baseSeverity":"HIGH"},"products":["CSAFPID-1"]}],"remediations":[{"category":"vendor_fix","details":"Update to a fixed version: 12.128.2.","product_ids":["CSAFPID-1"]}]}]}