{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-122325", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-11-04T23:26:08.935Z", "datePublished": "2026-11-05T15:11:44.140Z", "dateUpdated": "2026-11-05T15:11:44.140Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-11-05T15:11:44.140Z"}, "datePublic": "2026-10-22T00:00:00.000Z", "title": "eventyay-exhibition through commit f68888e Cross-Event Attendee Data Disclosure via Lead Creation API", "descriptions": [{"lang": "en", "value": "fossasia eventyay-exhibition through commit f68888e contains an authorization bypass vulnerability in the exhibitor lead creation API that allows exhibitors to access other organizers' attendee data. Exhibitors with lead scanning enabled can submit another event's pseudonymization id or order secret while naming that organizer in the URL to retrieve attendee names, emails, addresses and answers."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Authorization Bypass Through User-Controlled Key", "cweId": "CWE-639", "type": "CWE"}]}], "affected": [{"vendor": "fossasia", "product": "eventyay-exhibition", "defaultStatus": "unaffected", "versions": [{"version": "f68888e312c220588ddc13f8bbc4bab927b5e530", "status": "affected", "versionType": "git"}], "packageURL": "pkg:github/fossasia/eventyay-exhibition", "repo": "https://github.com/fossasia/eventyay-exhibition"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 2.3, "baseSeverity": "LOW"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 3.1, "baseSeverity": "LOW"}}], "references": [{"url": "https://github.com/fossasia/eventyay-exhibition/issues/343", "tags": ["issue-tracking"]}, {"url": "https://github.com/fossasia/eventyay-exhibition/pull/383", "tags": ["issue-tracking", "patch"]}, {"url": "https://github.com/fossasia/eventyay-exhibition/blob/f68888e312c220588ddc13f8bbc4bab927b5e530/exhibition/api.py#L399-L470", "tags": ["technical-description"]}, {"url": "https://hackmd.io/@hieuPenguinnn/eventyay-exhibition-cross-event-lead-idor", "tags": ["third-party-advisory"]}, {"url": "https://github.com/fossasia/eventyay-exhibition", "tags": ["product"]}, {"name": "VulnCheck Advisory: eventyay-exhibition through commit f68888e Cross-Event Attendee Data Disclosure via Lead Creation API", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/eventyay-exhibition-through-commit-f68888e-cross-event-attendee-data-disclosure-via-lead-creation-api"}], "credits": [{"lang": "en", "value": "hieuPenguinnn", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageURL": "pkg:github/fossasia/eventyay-exhibition", "product": "eventyay-exhibition", "repo": "https://github.com/fossasia/eventyay-exhibition", "vendor": "fossasia", "versions": [{"status": "affected", "version": "f68888e312c220588ddc13f8bbc4bab927b5e530", "versionType": "git"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "fossasia eventyay-exhibition through commit f68888e contains an authorization bypass vulnerability in the exhibitor lead creation API that allows exhibitors to access other organizers' attendee data. Exhibitors with lead scanning enabled can submit another event's pseudonymization id or order secret while naming that organizer in the URL to retrieve attendee names, emails, addresses and answers."}], "id": "CVE-2026-122325", "lastModified": "2026-11-05T16:17:45.323", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.1, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 1.4, "source": "disclosure@vulncheck.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.3, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}]}, "published": "2026-11-05T16:17:45.323", "references": [{"source": "disclosure@vulncheck.com", "url": "https://github.com/fossasia/eventyay-exhibition"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/fossasia/eventyay-exhibition/blob/f68888e312c220588ddc13f8bbc4bab927b5e530/exhibition/api.py#L399-L470"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/fossasia/eventyay-exhibition/issues/343"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/fossasia/eventyay-exhibition/pull/383"}, {"source": "disclosure@vulncheck.com", "url": "https://hackmd.io/@hieuPenguinnn/eventyay-exhibition-cross-event-lead-idor"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/eventyay-exhibition-through-commit-f68888e-cross-event-attendee-data-disclosure-via-lead-creation-api"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-639"}], "source": "disclosure@vulncheck.com", "type": "Primary"}]}

{"bugzilla": {"description": "eventyay-exhibition: eventyay-exhibition: Information disclosure via authorization bypass in lead creation API", "id": "2567586", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2567586"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N", "status": "draft"}, "cwe": "CWE-639", "details": ["A flaw was found in eventyay-exhibition. An authorization bypass vulnerability in the lead creation Application Programming Interface (API) allows authenticated exhibitors with lead scanning permissions to access attendee records from other event organizers. By submitting another event's identifier or order secret in an API request, an exhibitor can retrieve sensitive attendee information, including names, email addresses, and submitted answers."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-122325", "public_date": "2026-11-05T15:11:44Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-122325\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-122325\nhttps://github.com/fossasia/eventyay-exhibition\nhttps://github.com/fossasia/eventyay-exhibition/blob/f68888e312c220588ddc13f8bbc4bab927b5e530/exhibition/api.py#L399-L470\nhttps://github.com/fossasia/eventyay-exhibition/issues/343\nhttps://github.com/fossasia/eventyay-exhibition/pull/383\nhttps://hackmd.io/@hieuPenguinnn/eventyay-exhibition-cross-event-lead-idor\nhttps://www.vulncheck.com/advisories/eventyay-exhibition-through-commit-f68888e-cross-event-attendee-data-disclosure-via-lead-creation-api"], "statement": "This vulnerability is rated as Low impact because exploitation requires existing authenticated access with specific lead-scanning privileges, knowledge of external event identifiers, and only exposes limited attendee records without compromising system availability or integrity. Additionally, eventyay-exhibition is not distributed or supported across Red Hat product offerings. Consequently, Red Hat environments and supported software are not affected by this flaw.", "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "f68888e312c220588ddc13f8bbc4bab927b5e530"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "eventyay-exhibition", "source": "cna", "vendor": "fossasia"}, "product": "eventyay-exhibition", "vendor": "fossasia"}], "created": "2026-11-05T16:45:06.275896+00:00", "updated": "2026-11-06T21:14:15.712805+00:00", "vendors": ["fossasia", "fossasia$PRODUCT$eventyay-exhibition"]}