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CVE-2026-27156

🗓️ 24 Feb 2026 17:00:21Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 67 Views🌐 WEB

NiceGUI before 3.8.0 had XSS via method name input and interpolation in runMethod; fixed in 3.8.0.

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Detection
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ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-27156
24 Feb 202617:00
–attackerkb
circl
Circl
CVE-2026-27156
25 Feb 202601:08
–circl
cnnvd
CNNVD
NiceGUI cross-site scripting vulnerability
24 Feb 202600:00
–cnnvd
cvelist
Cvelist
CVE-2026-27156 NiceGUI has XSS via Code Injection
24 Feb 202617:00
–cvelist
github
Github Security Blog
NiceGUI vulnerable to XSS via Code Injection during client-side element function execution
24 Feb 202619:56
–github
mend
Mend
CVE-2026-27156
24 Feb 202617:00
–mend
nvd
NVD
CVE-2026-27156
24 Feb 202618:29
–nvd
osv_cve
osv_cve
CVE-2026-27156 NiceGUI has XSS via Code Injection
24 Feb 202617:00
–osv_cve
osv_ghsa
osv_ghsa
GHSA-78QV-3MPX-9CQQ NiceGUI vulnerable to XSS via Code Injection during client-side element function execution
24 Feb 202619:56
–osv_ghsa
osv_pysec
osv_pysec
PYSEC-2026-2232
24 Feb 202618:29
–osv_pysec
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NVD
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Node
[
  {
    "vendor": "zauberzeug",
    "product": "nicegui",
    "versions": [
      {
        "version": "< 3.8.0",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
methodpath/run_methodNiceGUI API that executes methods on client-side elements. User-controlled input in the method name can lead to arbitrary JavaScript execution via an eval() fallback.CWE-79
methodpath/run_grid_methodNiceGUI API for AgGrid that executes methods on client-side elements. User-controlled input in the method name can lead to arbitrary JavaScript execution via an eval() fallback.CWE-79
methodpath/run_chart_methodNiceGUI API for EChart that executes methods on client-side elements. User-controlled input in the method name can lead to arbitrary JavaScript execution via an eval() fallback.CWE-79
proppath/get_computed_propNiceGUI API to get computed properties. Uses string interpolation for the property name, allowing quote injection to break out of the intended string context.CWE-79

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17 Jun 2026 10:26Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.16.1
EPSS0.00196
SSVC
67