PYSEC-2026-1705
Vulnerability from pysec - Published: 2026-07-07 14:34 - Updated: 2026-07-07 17:24
VLAI
Details
Summary
Once a user logins to one browser, all other browsers are logged in without entering password. Even incognito mode.
Impact
high
Severity
7.5 (High)
Impacted products
| Name | purl | nicegui | pkg:pypi/nicegui |
|---|
Aliases
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "nicegui",
"purl": "pkg:pypi/nicegui"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.9.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.1.0",
"0.1.4",
"0.1.6",
"0.2.0",
"0.2.1",
"0.2.10",
"0.2.11",
"0.2.12",
"0.2.13",
"0.2.14",
"0.2.15",
"0.2.2",
"0.2.3",
"0.2.4",
"0.2.9",
"0.3.0",
"0.3.1",
"0.3.2",
"0.3.3",
"0.3.4",
"0.3.5",
"0.3.6",
"0.3.7",
"0.3.8",
"0.3.9",
"0.4.0",
"0.4.1",
"0.4.10",
"0.4.11",
"0.4.12",
"0.4.13",
"0.4.14",
"0.4.15",
"0.4.2",
"0.4.3",
"0.4.4",
"0.4.5",
"0.4.6",
"0.4.7",
"0.4.8",
"0.4.9",
"0.5.0",
"0.5.1",
"0.5.10",
"0.5.11",
"0.5.12",
"0.5.2",
"0.5.3",
"0.5.4",
"0.5.5",
"0.5.6",
"0.5.7",
"0.5.8",
"0.5.9",
"0.6.0",
"0.6.1",
"0.6.10",
"0.6.11",
"0.6.12",
"0.6.13",
"0.6.2",
"0.6.3",
"0.6.4",
"0.6.5",
"0.6.6",
"0.6.7",
"0.6.8",
"0.6.9",
"0.7.0",
"0.7.1",
"0.7.10",
"0.7.11",
"0.7.12",
"0.7.13",
"0.7.14",
"0.7.15",
"0.7.16",
"0.7.17",
"0.7.18",
"0.7.19",
"0.7.2",
"0.7.21",
"0.7.22",
"0.7.23",
"0.7.24",
"0.7.25",
"0.7.26",
"0.7.27",
"0.7.28",
"0.7.29",
"0.7.3",
"0.7.30",
"0.7.4",
"0.7.6",
"0.7.7",
"0.7.8",
"0.7.9",
"0.8.0",
"0.8.1",
"0.8.10",
"0.8.11",
"0.8.12",
"0.8.13",
"0.8.14",
"0.8.15",
"0.8.16",
"0.8.2",
"0.8.3",
"0.8.4",
"0.8.5",
"0.8.6",
"0.8.7",
"0.8.8",
"0.8.9",
"0.9.0",
"0.9.1",
"0.9.10",
"0.9.11",
"0.9.12",
"0.9.13",
"0.9.14",
"0.9.15",
"0.9.16",
"0.9.17",
"0.9.18",
"0.9.19",
"0.9.2",
"0.9.20",
"0.9.21",
"0.9.22",
"0.9.23",
"0.9.24",
"0.9.25",
"0.9.26",
"0.9.27",
"0.9.28",
"0.9.3",
"0.9.4",
"0.9.5",
"0.9.6",
"0.9.7",
"0.9.8",
"0.9.9",
"1.0.1",
"1.0.10",
"1.0.2",
"1.0.3",
"1.0.4",
"1.0.5",
"1.0.6",
"1.0.7",
"1.0.8",
"1.0.9",
"1.1.0",
"1.1.1",
"1.1.10",
"1.1.11",
"1.1.2",
"1.1.3",
"1.1.4",
"1.1.5",
"1.1.6",
"1.1.7",
"1.1.8",
"1.1.9",
"1.2.0",
"1.2.1",
"1.2.10",
"1.2.11",
"1.2.12",
"1.2.13",
"1.2.14",
"1.2.15",
"1.2.16",
"1.2.17",
"1.2.18",
"1.2.2",
"1.2.20",
"1.2.21",
"1.2.22",
"1.2.23",
"1.2.24",
"1.2.3",
"1.2.4",
"1.2.5",
"1.2.6",
"1.2.7",
"1.2.8",
"1.2.9",
"1.3.0",
"1.3.1",
"1.3.10",
"1.3.11",
"1.3.12",
"1.3.13",
"1.3.14",
"1.3.15",
"1.3.16",
"1.3.17",
"1.3.18",
"1.3.2",
"1.3.3",
"1.3.4",
"1.3.5",
"1.3.6",
"1.3.7",
"1.3.8",
"1.3.9",
"1.4.0",
"1.4.1",
"1.4.10",
"1.4.11",
"1.4.12",
"1.4.13",
"1.4.14",
"1.4.15",
"1.4.16",
"1.4.17",
"1.4.18",
"1.4.19",
"1.4.2",
"1.4.20",
"1.4.21",
"1.4.22",
"1.4.23",
"1.4.24",
"1.4.25",
"1.4.26",
"1.4.27",
"1.4.28",
"1.4.29",
"1.4.3",
"1.4.30",
"1.4.31",
"1.4.33",
"1.4.34",
"1.4.35",
"1.4.36",
"1.4.37",
"1.4.4",
"1.4.5",
"1.4.6",
"1.4.7",
"1.4.8",
"1.4.9",
"2.0.0",
"2.0.1",
"2.1.0",
"2.2.0",
"2.3.0",
"2.4.0",
"2.5.0",
"2.7.0",
"2.8.0",
"2.8.1",
"2.9.0"
]
}
],
"aliases": [
"CVE-2025-21618",
"GHSA-v6jv-p6r8-j78w"
],
"details": "### Summary\nOnce a user logins to one browser, all other browsers are logged in without entering password. Even incognito mode.\n\n### Impact\nhigh",
"id": "PYSEC-2026-1705",
"modified": "2026-07-07T17:24:49.604952Z",
"published": "2026-07-07T14:34:48.404647Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/zauberzeug/nicegui/security/advisories/GHSA-v6jv-p6r8-j78w"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-21618"
},
{
"type": "WEB",
"url": "https://github.com/zauberzeug/nicegui/commit/1621a4ba6a06676b8094362d36623551e651adc1"
},
{
"type": "PACKAGE",
"url": "https://github.com/zauberzeug/nicegui"
},
{
"type": "PACKAGE",
"url": "https://pypi.org/project/nicegui"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-v6jv-p6r8-j78w"
}
],
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
}
],
"summary": "NiceGUI On Air authentication issue"
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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