{"cve":"CVE-2025-21618","nvd":{"published":"2025-01-06T17:15:47.660","modified":"2026-06-17T08:43:52.077","status":"Deferred","description":"NiceGUI is an easy-to-use, Python-based UI framework. Prior to 2.9.1, authenticating with NiceGUI logged in the user for all browsers, including browsers in incognito mode. This vulnerability is fixed in 2.9.1.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","score":7.5},"cwes":["CWE-287"],"references":["https://github.com/zauberzeug/nicegui/commit/1621a4ba6a06676b8094362d36623551e651adc1","https://github.com/zauberzeug/nicegui/security/advisories/GHSA-v6jv-p6r8-j78w"],"products":[],"source":"nvd","synced_at":"2026-10-19T21:57:56.913276502+00:00"},"epss":{"cve":"CVE-2025-21618","score":0.00392,"percentile":0.33376,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-v6jv-p6r8-j78w","url":"https://osv.dev/vulnerability/GHSA-v6jv-p6r8-j78w","summary":"NiceGUI On Air authentication issue","modified":"2026-07-07T17:56:46.694928873Z","packages":[{"ecosystem":"PyPI","name":"nicegui","purl":"pkg:pypi/nicegui","ranges":["<2.9.1"],"fixed":["2.9.1"]}]},{"id":"PYSEC-2026-1705","url":"https://osv.dev/vulnerability/PYSEC-2026-1705","summary":"NiceGUI On Air authentication issue","modified":"2026-07-07T17:46:55.805752572Z","packages":[{"ecosystem":"PyPI","name":"nicegui","purl":"pkg:pypi/nicegui","ranges":["<2.9.1"],"fixed":["2.9.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}