{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54528", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-15T18:40:01.651Z", "datePublished": "2026-07-08T21:04:18.613Z", "dateUpdated": "2026-07-08T21:04:18.613Z"}, "containers": {"cna": {"title": "jupyterlab-git excluded_paths Case-Sensitivity Bypass Allows Reading Excluded Directories", "problemTypes": [{"descriptions": [{"cweId": "CWE-178", "lang": "en", "description": "CWE-178: Improper Handling of Case Sensitivity", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/jupyterlab/jupyterlab-git/security/advisories/GHSA-436q-jwfr-rm2h", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/jupyterlab/jupyterlab-git/security/advisories/GHSA-436q-jwfr-rm2h"}, {"name": "https://github.com/jupyterlab/jupyterlab-git/commit/460035275b5963dc96e364e60ba6a73717fbd033", "tags": ["x_refsource_MISC"], "url": "https://github.com/jupyterlab/jupyterlab-git/commit/460035275b5963dc96e364e60ba6a73717fbd033"}, {"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": "< 0.54.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-08T21:04:18.613Z"}, "descriptions": [{"lang": "en", "value": "JupyterLab Git is a Git extension for JupyterLab. Prior to 0.54.0, jupyterlab-git uses fnmatch.fnmatchcase() in GitHandler.prepare() in jupyterlab_git/handlers.py to enforce excluded_paths, allowing an authenticated user on a case-insensitive filesystem to vary URL path casing and read excluded directories. This issue is fixed in version 0.54.0."}], "source": {"advisory": "GHSA-436q-jwfr-rm2h", "discovery": "UNKNOWN"}}}}

{}

{}

{}

{}