CVE-2026-21873
2 advisories.
PyPI/nicegui CVE-2026-21873: high 7.2
NiceGUI apps which use `ui.sub_pages` vulnerable to zero-click XSS
Action: Upgrade nicegui to 3.5.0 or later.
pip install nicegui==3.5.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 2.22.0 | 3.5.0 | - |
Fixed versions
| 3.5.0 |
Sources
- osv: GHSA-mhpg-c27v-6mxr
- https://github.com/zauberzeug/nicegui/security/advisories/GHSA-mhpg-c27v-6mxr
- https://nvd.nist.gov/vuln/detail/CVE-2026-21873
- https://github.com/zauberzeug/nicegui
- https://github.com/zauberzeug/nicegui/releases/tag/v3.5.0
CVE-2026-21873 · published · modified · JSON
PyPI/nicegui CVE-2026-21873: high 7.2
NiceGUI apps which use `ui.sub_pages` vulnerable to zero-click XSS
Action: Upgrade nicegui to 3.5.0 or later.
pip install nicegui==3.5.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 2.22.0 | 3.5.0 | - |
Fixed versions
| 3.5.0 |
Sources
- osv: PYSEC-2026-1702
- https://github.com/zauberzeug/nicegui/security/advisories/GHSA-mhpg-c27v-6mxr
- https://nvd.nist.gov/vuln/detail/CVE-2026-21873
- https://github.com/zauberzeug/nicegui
- https://github.com/zauberzeug/nicegui/releases/tag/v3.5.0
- https://pypi.org/project/nicegui
- https://github.com/advisories/GHSA-mhpg-c27v-6mxr
CVE-2026-21873 · published · modified · JSON