{"id":"CVE-2025-21618","aliases":["GHSA-v6jv-p6r8-j78w","PYSEC-2026-1705"],"title":"NiceGUI On Air authentication issue","summary":"NiceGUI On Air authentication issue","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","vendor":"nicegui","product":"nicegui","ecosystem":"pip","affected":["nicegui < 2.9.1"],"patched":["nicegui 2.9.1"],"published":"2025-01-06","updated":"2026-07-07","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-v6jv-p6r8-j78w","references":[{"url":"https://github.com/zauberzeug/nicegui/security/advisories/GHSA-v6jv-p6r8-j78w"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-21618"},{"url":"https://github.com/zauberzeug/nicegui/commit/1621a4ba6a06676b8094362d36623551e651adc1"},{"url":"https://github.com/zauberzeug/nicegui"}],"tags":["osv","pip"],"epss":0.00382,"epssPercentile":0.29339,"ingestedAt":"2026-07-08T18:25:53.104Z","slug":"CVE-2025-21618","body":"## Overview\n\n### Summary\nOnce a user logins to one browser, all other browsers are logged in without entering password. Even incognito mode.\n\n### Impact\nhigh\n\n## Affected packages\n\n- `nicegui < 2.9.1`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `nicegui 2.9.1`","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}