{"id":"CVE-2025-59034","aliases":["EUVD-2025-27579","GHSA-4269-mcfh-cp7q","PYSEC-2026-1460"],"status":"published","title":"Indico may disclose unauthorized user details access via legacy API","description":"Indico is an event management system that uses Flask-Multipass, a multi-backend authentication system for Flask. Prior to version 3.3.8, a legacy API to retrieve user details could be misused to retrieve profile details of other users without having admin permissions due to a broken access check. Users should to update to Indico 3.3.8 as soon as possible. As a workaround, it is possible to restrict access to the affected API (e.g. in the webserver config).","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00258,"percentile":0.17656,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-639"],"published":"2025-09-10T16:01:09Z","modified":"2026-10-28T02:30:24Z","fixes":[{"ecosystem":"PyPI","package":"indico","fixed_in":["3.3.8"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"indico","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"3.3.7"},{"fixed":"3.3.8"}]}]},{"source":"osv","ecosystem":"PyPI","package":"indico","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.8"}]}],"versions":["0.98-rc1","0.98.0","0.98.1","0.98.2","0.99","1.0","1.1","1.1.1","1.1.2","1.2","1.2.1","1.2.1rc10","1.2.1rc11","1.2.1rc2","1.2.1rc4","1.2.1rc5","1.2.1rc6","1.2.1rc7","1.2.1rc9","1.2.2","1.2.2rc1","1.9.11.dev10","1.9.11.dev11","1.9.11.dev12","1.9.11.dev13","1.9.11.dev14","1.9.11.dev15","1.9.11.dev16","1.9.11.dev17","1.9.11.dev3","1.9.11.dev4","1.9.11.dev6","1.9.11.dev7","1.9.11.dev8","1.9.11.dev9","2.0","2.0.1","2.0.2","2.0.3","2.0a1","2.0rc1","2.0rc2","2.1","2.1.1","2.1.10","2.1.11","2.1.2","2.1.3","2.1.4","2.1.5","2.1.6","2.1.7","2.1.8","2.1.9","2.2","2.2.1","2.2.2","2.2.3","2.2.4","2.2.5","2.2.6","2.2.7","2.2.8","2.3","2.3.1","2.3.2","2.3.3","2.3.4","2.3.5","3.0","3.0.1","3.0.2","3.0.3","3.0rc1","3.0rc2","3.1","3.1.1","3.2","3.2.1","3.2.2","3.2.3","3.2.4","3.2.5","3.2.6","3.2.7","3.2.8","3.2.9","3.3","3.3.1","3.3.2","3.3.3","3.3.4","3.3.5","3.3.6","3.3.7"]},{"source":"osv","ecosystem":"PyPI","package":"indico","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.8"}]}],"versions":["0.98-rc1","0.98.0","0.98.1","0.98.2","0.99","1.0","1.1","1.1.1","1.1.2","1.2","1.2.1","1.2.1rc10","1.2.1rc11","1.2.1rc2","1.2.1rc4","1.2.1rc5","1.2.1rc6","1.2.1rc7","1.2.1rc9","1.2.2","1.2.2rc1","1.9.11.dev10","1.9.11.dev11","1.9.11.dev12","1.9.11.dev13","1.9.11.dev14","1.9.11.dev15","1.9.11.dev16","1.9.11.dev17","1.9.11.dev3","1.9.11.dev4","1.9.11.dev6","1.9.11.dev7","1.9.11.dev8","1.9.11.dev9","2.0","2.0.1","2.0.2","2.0.3","2.0a1","2.0rc1","2.0rc2","2.1","2.1.1","2.1.10","2.1.11","2.1.2","2.1.3","2.1.4","2.1.5","2.1.6","2.1.7","2.1.8","2.1.9","2.2","2.2.1","2.2.2","2.2.3","2.2.4","2.2.5","2.2.6","2.2.7","2.2.8","2.3","2.3.1","2.3.2","2.3.3","2.3.4","2.3.5","3.0","3.0.1","3.0.2","3.0.3","3.0rc1","3.0rc2","3.1","3.1.1","3.2","3.2.1","3.2.2","3.2.3","3.2.4","3.2.5","3.2.6","3.2.7","3.2.8","3.2.9","3.3","3.3.1","3.3.2","3.3.3","3.3.4","3.3.5","3.3.6","3.3.7"]}],"products":[{"vendor":"cern","product":"indico"},{"vendor":"indico","product":"indico"}],"references":[{"url":"https://github.com/indico/indico/security/advisories/GHSA-4269-mcfh-cp7q","tags":["x_refsource_CONFIRM","Patch","Vendor Advisory","advisory","web"]},{"url":"https://github.com/indico/indico/releases/tag/v3.3.8","tags":["x_refsource_MISC","Release Notes","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-59034","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-4269-mcfh-cp7q","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/59xxx/CVE-2025-59034.json","tags":["advisory"]},{"url":"https://github.com/indico/indico","tags":["package"]},{"url":"https://pypi.org/project/indico","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2025-59034","title":"Indico may disclose unauthorized user details access via legacy API","description":"Indico is an event management system that uses Flask-Multipass, a multi-backend authentication system for Flask. Prior to version 3.3.8, a legacy API to retrieve user details could be misused to retrieve profile details of other users without having admin permissions due to a broken access check. Users should to update to Indico 3.3.8 as soon as possible. As a workaround, it is possible to restrict access to the affected API (e.g. in the webserver config).","status":"published","published":"2025-09-10T16:01:09.96Z","modified":"2025-09-11T14:42:53.468Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:32:48.167635Z"}],"euvd":[{"id":"EUVD-2025-27579","description":"Indico is an event management system that uses Flask-Multipass, a multi-backend authentication system for Flask. Prior to version 3.3.8, a legacy API to retrieve user details could be misused to retrieve profile details of other users without having admin permissions due to a broken access check. Users should to update to Indico 3.3.8 as soon as possible. As a workaround, it is possible to restrict access to the affected API (e.g. in the webserver config).","status":"published","published":"2025-09-10T16:01:09Z","modified":"2025-09-11T14:42:53Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T20:31:44.524108Z"}],"ghsa":[{"id":"GHSA-4269-mcfh-cp7q","title":"Indico may disclose unauthorized user details access via legacy API","description":"### Impact\nA legacy API to retrieve user details could be misused to retrieve profile details of other users without having admin permissions due to a broken access check.\n\n### Patches\nYou should to update to [Indico 3.3.8](https://github.com/indico/indico/releases/tag/v3.3.8) as soon as possible.\nSee [the docs](https://docs.getindico.io/en/stable/installation/upgrade/) for instructions on how to update.\n\n### Workarounds\nIt is possible to restrict access to the affected API (e.g. in the webserver config) which is most likely unused anyway and thus will not break anything.\n\n### For more information\nIf you have any questions or comments about this advisory:\n\n- Open a thread in [our forum](https://talk.getindico.io/)\n- Email us privately at [indico-team@cern.ch](mailto:indico-team@cern.ch)","status":"published","published":"2025-09-10T20:27:45Z","modified":"2025-09-10T20:27:46Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:38:57.074217Z"}],"nvd":[{"id":"CVE-2025-59034","description":"Indico is an event management system that uses Flask-Multipass, a multi-backend authentication system for Flask. Prior to version 3.3.8, a legacy API to retrieve user details could be misused to retrieve profile details of other users without having admin permissions due to a broken access check. Users should to update to Indico 3.3.8 as soon as possible. As a workaround, it is possible to restrict access to the affected API (e.g. in the webserver config).","status":"published","published":"2025-09-10T16:15:41.13Z","modified":"2026-06-17T09:45:28.46Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:11:28.834562Z"}],"osv":[{"id":"CVE-2025-59034","title":"Indico may disclose unauthorized user details access via legacy API","description":"Indico is an event management system that uses Flask-Multipass, a multi-backend authentication system for Flask. Prior to version 3.3.8, a legacy API to retrieve user details could be misused to retrieve profile details of other users without having admin permissions due to a broken access check. Users should to update to Indico 3.3.8 as soon as possible. As a workaround, it is possible to restrict access to the affected API (e.g. in the webserver config).","status":"published","published":"2025-09-10T16:01:09.96Z","modified":"2026-10-28T02:30:24.282602527Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:44:51.190588Z"},{"id":"GHSA-4269-mcfh-cp7q","title":"Indico may disclose unauthorized user details access via legacy API","description":"### Impact\nA legacy API to retrieve user details could be misused to retrieve profile details of other users without having admin permissions due to a broken access check.\n\n### Patches\nYou should to update to [Indico 3.3.8](https://github.com/indico/indico/releases/tag/v3.3.8) as soon as possible.\nSee [the docs](https://docs.getindico.io/en/stable/installation/upgrade/) for instructions on how to update.\n\n### Workarounds\nIt is possible to restrict access to the affected API (e.g. in the webserver config) which is most likely unused anyway and thus will not break anything.\n\n### For more information\nIf you have any questions or comments about this advisory:\n\n- Open a thread in [our forum](https://talk.getindico.io/)\n- Email us privately at [indico-team@cern.ch](mailto:indico-team@cern.ch)","status":"published","published":"2025-09-10T20:27:45Z","modified":"2026-07-07T17:56:54.833150049Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:46:36.434231Z"},{"id":"PYSEC-2026-1460","title":"Indico may disclose unauthorized user details access via legacy API","description":"### Impact\nA legacy API to retrieve user details could be misused to retrieve profile details of other users without having admin permissions due to a broken access check.\n\n### Patches\nYou should to update to [Indico 3.3.8](https://github.com/indico/indico/releases/tag/v3.3.8) as soon as possible.\nSee [the docs](https://docs.getindico.io/en/stable/installation/upgrade/) for instructions on how to update.\n\n### Workarounds\nIt is possible to restrict access to the affected API (e.g. in the webserver config) which is most likely unused anyway and thus will not break anything.\n\n### For more information\nIf you have any questions or comments about this advisory:\n\n- Open a thread in [our forum](https://talk.getindico.io/)\n- Email us privately at [indico-team@cern.ch](mailto:indico-team@cern.ch)","status":"published","published":"2026-07-07T16:03:04.431161Z","modified":"2026-07-07T17:47:44.643622806Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:55.06457Z"}]}}