{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-57960", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-06-26T13:59:33.048Z", "datePublished": "2026-06-29T17:24:27.032Z", "dateUpdated": "2026-06-29T17:24:27.032Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-06-29T17:24:27.032Z"}, "title": "Hi.Events 1.9.0 - Unauthenticated Attendee PII Exposure via Check-in List short_id", "descriptions": [{"lang": "en", "value": "Hi.Events through 1.9.0 public check-in list endpoints use short_id as sole access control, allowing unauthenticated access to retrieve full attendee lists including emails and personal information. Attackers with knowledge of the short_id can call GET /api/public/check-in-lists/{short_id}/attendees to read attendee data and create or delete check-in records without authentication."}], "tags": ["x_open-source"], "datePublic": "2026-06-17T00:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-359", "description": "Exposure of Private Personal Information to an Unauthorized Actor", "type": "CWE"}]}], "affected": [{"vendor": "HiEventsDev", "product": "Hi.Events", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThanOrEqual": "1.9.0"}], "repo": "https://github.com/HiEventsDev/Hi.Events"}], "cpeApplicability": [{"nodes": [{"operator": "OR", "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:hi.events:hi.events:*:*:*:*:*:*:*:*", "versionEndIncluding": "1.9.0"}]}]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 8.3, "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "availabilityImpact": "NONE", "version": "3.1", "baseSeverity": "MEDIUM", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N"}}], "references": [{"url": "https://github.com/HiEventsDev/Hi.Events/issues/1224", "name": "Researcher Disclosure", "tags": ["technical-description"]}, {"url": "https://github.com/HiEventsDev/Hi.Events/pull/1229", "name": "Pull Request", "tags": ["issue-tracking"]}, {"url": "https://www.vulncheck.com/advisories/hi-events-unauthenticated-attendee-pii-exposure-via-check-in-list-short-id", "tags": ["third-party-advisory"]}], "credits": [{"lang": "en", "value": "George Chen", "type": "finder"}], "x_generator": {"engine": "vulncheck"}}}}

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{"created": "2026-06-29T19:30:02.540734+00:00", "updated": "2026-06-29T19:30:02.540749+00:00", "vendors": []}