{"id":"CVE-2026-125364","state":"PUBLISHED","title":"frab through 0.9.1 Privilege Escalation via conference_users_attributes in UsersController","description":"frab through 0.9.1 contains a privilege escalation vulnerability that allows authenticated crew users to grant themselves orga roles by submitting unchecked nested conference_users_attributes. Attackers can abuse UsersController#update or #create, which skip filter_conference_users, to gain orga on any conference and fully manage its events, schedule, reviewers and crew.","publishedAt":"2026-11-09T23:27:37.097Z","updatedAt":"2026-11-09T23:27:37.097Z","severity":{"score":8.6,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["frab frab"],"affected":[{"vendor":"frab","product":"frab","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"0.9.1","versionType":"semver"}]}],"references":["https://github.com/frab/frab/issues/1053","https://github.com/frab/frab","https://github.com/frab/frab/blob/0.9.1/app/controllers/users_controller.rb#L51","https://github.com/frab/frab/commit/8d14d491ac73f2e19030e95a86b6575106270eeb","https://www.vulncheck.com/advisories/frab-through-0.9.1-privilege-escalation-via-conference-users-attributes-in-userscontroller"],"weaknesses":["CWE-269"],"ingestedAt":"2026-11-09T23:36:06.628Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/125xxx/CVE-2026-125364.json","commit":"b5e35fd13cceb3fc2d7ace24f43c95cd80e7dc5f","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-125364","state":"PUBLISHED","datePublished":"2026-11-09T23:27:37.097Z","dateUpdated":"2026-11-09T23:27:37.097Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-11-09T22:03:01.681Z"},"containers":{"cna":{"title":"frab through 0.9.1 Privilege Escalation via conference_users_attributes in UsersController","descriptions":[{"lang":"en","value":"frab through 0.9.1 contains a privilege escalation vulnerability that allows authenticated crew users to grant themselves orga roles by submitting unchecked nested conference_users_attributes. Attackers can abuse UsersController#update or #create, which skip filter_conference_users, to gain orga on any conference and fully manage its events, schedule, reviewers and crew."}],"affected":[{"vendor":"frab","product":"frab","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"0.9.1","versionType":"semver"}]}],"references":[{"url":"https://github.com/frab/frab/issues/1053","tags":["issue-tracking"],"name":"GitHub Issue #1053"},{"url":"https://github.com/frab/frab","tags":["product"]},{"url":"https://github.com/frab/frab/blob/0.9.1/app/controllers/users_controller.rb#L51","tags":["technical-description"]},{"url":"https://github.com/frab/frab/commit/8d14d491ac73f2e19030e95a86b6575106270eeb","tags":["patch"]},{"url":"https://www.vulncheck.com/advisories/frab-through-0.9.1-privilege-escalation-via-conference-users-attributes-in-userscontroller","name":"VulnCheck Advisory: frab through 0.9.1 Privilege Escalation via conference_users_attributes in UsersController","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.6,"baseSeverity":"HIGH"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-269","lang":"en","description":"Improper Privilege Management","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-11-09T23:27:37.097Z"},"datePublic":"2026-11-05T00:00:00.000Z","credits":[{"lang":"en","value":"George Chen","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}}}}}