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3 vulnerabilities found for jupyterlite-core by jupyterlab
CVE-2026-102832 (GCVE-0-2026-102832)
Vulnerability from cvelistv5
Published
2026-10-13 15:19
Modified
2026-10-13 16:09
Severity ?
VLAI Severity ?
EPSS score ?
Summary
JupyterLab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook Architecture. From 4.5.7 until 4.5.11 and 4.6.4, the markdownviewer:trust and notebook:trust command-link handlers use tracker.currentWidget to resolve the current Markdown viewer or notebook when the user answers rather than retaining the document whose command button was clicked. If another document becomes current while the prompt is open and the user chooses Trust, JupyterLab marks the second document trusted while leaving the clicked document untrusted. Later command buttons in the incorrectly trusted document run without a prompt, and trusting a notebook marks all cells trusted, saves unsaved edits, and persists the server signature to disk. Applications that bundle JupyterLab, including affected Notebook and JupyterLite releases, inherit the behavior. This issue is fixed in versions 4.5.11 and 4.6.4.
References
| URL | Tags | |
|---|---|---|
|
|
||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| jupyterlab | jupyterlab |
Version: >= 4.5.7, < 4.5.11 Version: >= 4.6.0, < 4.6.4 |
||||||||||||
|
||||||||||||||
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"vendor": "jupyterlab",
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}
],
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CVE-2026-102831 (GCVE-0-2026-102831)
Vulnerability from cvelistv5
Published
2026-09-29 18:58
Modified
2026-10-02 12:22
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
JupyterLab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook Architecture. From JupyterLab 4.5.0 until 4.5.11 and 4.6.4, from Notebook 7.5.0 until 7.6.3, and from JupyterLite Core 0.7.0 until 0.8.4, the system clipboard cell-paste path accepts attacker-controlled cell JSON without clearing metadata.trusted. When useSystemClipboardForCells is active and pasteCodeCellsWithoutOutput is disabled, a pasted code cell can mark HTML output as trusted, bypass output sanitization, and execute script in the authenticated JupyterLab origin without executing the cell. Markdown and raw cells are not affected because their output is sanitized. This issue is fixed in JupyterLab 4.5.11 and 4.6.4, Notebook 7.6.3, and JupyterLite Core 0.8.4.
References
| URL | Tags | |
|---|---|---|
|
|
||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| jupyterlab | jupyterlab |
Version: >= 4.5.0, < 4.5.11 Version: >= 4.6.0, < 4.6.4 |
||||||||||||
|
||||||||||||||
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"vendor": "jupyterlab",
"versions": [
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}
],
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"description": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
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"type": "CWE"
}
]
},
{
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"cweId": "CWE-345",
"description": "CWE-345: Insufficient Verification of Data Authenticity",
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}
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"tags": [
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"url": "https://github.com/jupyterlab/jupyterlab/releases/tag/v4.5.11"
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"tags": [
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"url": "https://github.com/jupyterlab/jupyterlab/releases/tag/v4.6.4"
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"source": {
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"discovery": "UNKNOWN"
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"title": "JupyterLab: Cross-site scripting (XSS) in JupyterLab via notebook cells pasted from the system clipboard"
}
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"state": "PUBLISHED"
},
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CVE-2026-102830 (GCVE-0-2026-102830)
Vulnerability from cvelistv5
Published
2026-09-29 18:53
Modified
2026-09-29 20:00
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
JupyterLab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook Architecture. From JupyterLab 3.0.0 until 4.5.11 and 4.6.4, and in JupyterLite Core 0.8.3 and earlier, the Plural-Forms header in a selected third-party language pack can append JavaScript after a valid plural rule because prefix-only regular-expression validation accepts a matching prefix without requiring the entire header to match. JupyterLab passes the accepted expression to new Function, so loading the catalogue and translating a plural string executes the appended code in the authenticated JupyterLab origin. Where Jupyter Server kernels, terminals, and APIs are exposed, the code can use authenticated server APIs to read or modify files and run code. Impact is much more limited in JupyterLite because it typically lacks most exposed Jupyter Server surfaces. The default English locale is unaffected because it does not load a translation catalogue. This issue is fixed in JupyterLab 4.5.11 and 4.6.4 and JupyterLite Core 0.8.4.
References
| URL | Tags | |
|---|---|---|
|
|
||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| jupyterlab | jupyterlab |
Version: >= 3.0.0, < 4.5.11 Version: >= 4.6.0, < 4.6.4 |
|||||||
|
|||||||||
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}
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},
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"x_refsource_MISC"
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},
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"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/jupyterlab/jupyterlab/releases/tag/v4.5.11"
},
{
"name": "https://github.com/jupyterlab/jupyterlab/releases/tag/v4.6.4",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/jupyterlab/jupyterlab/releases/tag/v4.6.4"
}
],
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"discovery": "UNKNOWN"
},
"title": "JupyterLab: Cross-site scripting (XSS) in JupyterLab via crafted language package (jupyterlab.json)"
}
},
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