{"id":"CVE-2026-72690","state":"PUBLISHED","title":"Attendize Attendize - Cross-Tenant Authorization Bypass","description":"An improper authorization vulnerability in Attendize through commit 9289acb allows an authenticated remote attacker to inject persistent mandatory survey questions into another organizer's events via the POST /event/{event_id}/question/create endpoint. The postCreateEventQuestion method loads the target event without the tenant-isolation scope, enabling cross-tenant writes; the injected question cannot be removed by the victim because the victim's account-scoped delete path cannot resolve a question owned by another tenant.","publishedAt":"2026-08-10T11:59:08.912Z","updatedAt":"2026-08-10T18:22:15.247Z","severity":{"score":5.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L","source":"TuranSec"},"assigner":"TuranSec","products":["Attendize Attendize"],"affected":[{"vendor":"Attendize","product":"Attendize","defaultStatus":"affected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"9289acb","versionType":"git"}]}],"references":["https://github.com/Attendize/Attendize"],"weaknesses":["CWE-639"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/72xxx/CVE-2026-72690.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-72690","state":"PUBLISHED","datePublished":"2026-08-10T11:59:08.912Z","dateUpdated":"2026-08-10T18:22:15.247Z","assignerShortName":"TuranSec","assignerOrgId":"309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c","dateReserved":"2026-08-10T11:55:39.471Z"},"containers":{"cna":{"title":"Attendize Attendize - Cross-Tenant Authorization Bypass","descriptions":[{"lang":"en","value":"An improper authorization vulnerability in Attendize through commit 9289acb allows an authenticated remote attacker to inject persistent mandatory survey questions into another organizer's events via the POST /event/{event_id}/question/create endpoint. The postCreateEventQuestion method loads the target event without the tenant-isolation scope, enabling cross-tenant writes; the injected question cannot be removed by the victim because the victim's account-scoped delete path cannot resolve a question owned by another tenant."}],"affected":[{"vendor":"Attendize","product":"Attendize","defaultStatus":"affected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"9289acb","versionType":"git"}]}],"references":[{"url":"https://github.com/Attendize/Attendize","name":"Attendize GitHub Repository","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L","baseScore":5.4,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"LOW"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-639","lang":"en","type":"CWE","description":"CWE-639: Authorization Bypass Through User-Controlled Key"}]}],"providerMetadata":{"shortName":"TuranSec","orgId":"309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c","dateUpdated":"2026-08-10T11:59:08.912Z"},"credits":[{"lang":"en","value":"Bobur Abdugafforov (Mahadsec)","type":"finder"}],"source":{"discovery":"EXTERNAL"},"datePublic":"2026-08-10T12:00:00.000Z"},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-10T15:47:06.344487Z","id":"CVE-2026-72690","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-10T18:22:15.247Z"}}]}}}