{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54527", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-15T18:40:01.651Z", "datePublished": "2026-07-08T21:03:01.698Z", "dateUpdated": "2026-07-08T21:03:01.698Z"}, "containers": {"cna": {"title": "JupyterLab Git: Stored XSS leading to RCE", "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "lang": "en", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "subAvailabilityImpact": "HIGH", "baseScore": 9.3, "baseSeverity": "CRITICAL", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H", "version": "4.0"}}], "references": [{"name": "https://github.com/jupyterlab/jupyterlab-git/security/advisories/GHSA-f962-v9hr-pfg5", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/jupyterlab/jupyterlab-git/security/advisories/GHSA-f962-v9hr-pfg5"}, {"name": "https://github.com/jupyterlab/jupyterlab-git/commit/c6d37b88f36aa59aee317930b95e427fb9d6b09b", "tags": ["x_refsource_MISC"], "url": "https://github.com/jupyterlab/jupyterlab-git/commit/c6d37b88f36aa59aee317930b95e427fb9d6b09b"}, {"name": "https://github.com/jupyterlab/jupyterlab-git/releases/tag/v0.54.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/jupyterlab/jupyterlab-git/releases/tag/v0.54.0"}], "affected": [{"vendor": "jupyterlab", "product": "jupyterlab-git", "versions": [{"version": ">= 0.30.0b3, < 0.54.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-08T21:03:01.698Z"}, "descriptions": [{"lang": "en", "value": "JupyterLab Git is a Git extension for JupyterLab. From 0.30.0b3 before 0.54.0, the PlainTextDiff.ts createHeader() method passes Git filenames directly to innerHTML when rendering renamed files in commit history, allowing a crafted filename to execute JavaScript when a victim views the rename diff in the Git History tab. This issue is fixed in version 0.54.0."}], "source": {"advisory": "GHSA-f962-v9hr-pfg5", "discovery": "UNKNOWN"}}}}

{}

{}

{}

{}