{
"id": "GHSA-gx64-gj6p-pc4c",
"aliases": [
"CVE-2026-73415"
],
"details": "JupyterLab's image viewer allows for cross-site scripting (XSS) when a specially-crafted image file is opened through the image viewer and then opened in a new tab. This XSS issue can be used to cause remote code execution (RCE) on the JupyterLab server.\n\n### Impact\n\nThis vulnerability allows for arbitrary code execution.\n\n### Patches\n\nJupyterLab [`v4.6.2`](https://github.com/jupyterlab/jupyterlab/releases/tag/v4.6.2) and [`v4.5.10`](https://github.com/jupyterlab/jupyterlab/releases/tag/v4.5.10) contain the patch.\n\n### Workarounds\n\nDisable the image viewer plugin:\n\n```\njupyter labextension disable @jupyterlab/imageviewer-extension:plugin\n```\n\nConfirm with:\n\n```\njupyter labextension list\n```",
"summary": "JupyterLab: Image viewer allows XSS when opening malicious image in new browser tab",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "4.6.0"
},
{
"fixed": "4.6.2"
}
]
}
],
"package": {
"name": "jupyterlab",
"ecosystem": "PyPI"
},
"database_specific": {
"last_known_affected_version_range": "<= 4.6.1"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.5.10"
}
]
}
],
"package": {
"name": "jupyterlab",
"ecosystem": "PyPI"
},
"database_specific": {
"last_known_affected_version_range": "<= 4.5.9"
}
}
],
"modified": "2026-08-12T19:54:08Z",
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N"
}
],
"published": "2026-07-22T23:14:44Z",
"references": [
{
"url": "https://github.com/jupyterlab/jupyterlab/security/advisories/GHSA-gx64-gj6p-pc4c",
"type": "WEB"
},
{
"url": "https://github.com/jupyterlab/jupyterlab/pull/19184",
"type": "WEB"
},
{
"url": "https://github.com/jupyterlab/jupyterlab/pull/19185",
"type": "WEB"
},
{
"url": "https://github.com/jupyterlab/jupyterlab/pull/19186",
"type": "WEB"
},
{
"url": "https://github.com/jupyterlab/jupyterlab/commit/be9303f5bcd5308eaeae953c5a3c903046682c2c",
"type": "WEB"
},
{
"url": "https://github.com/jupyterlab/jupyterlab/commit/f1beab4a2027af4719d6edc07d52d6cf5a39a432",
"type": "WEB"
},
{
"url": "https://github.com/jupyterlab/jupyterlab",
"type": "PACKAGE"
},
{
"url": "https://github.com/jupyterlab/jupyterlab/releases/tag/v4.5.10",
"type": "WEB"
},
{
"url": "https://github.com/jupyterlab/jupyterlab/releases/tag/v4.6.2",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-79"
],
"severity": "HIGH",
"github_reviewed": true,
"nvd_published_at": null,
"github_reviewed_at": "2026-07-22T23:14:44Z"
}
}