{"id":"CVE-2026-54527","revision":"15f3593feef242a39955674f3567c6f1","records":[{"revision":"15f3593feef242a39955674f3567c6f1","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-54527","aliases":[],"title":"JupyterLab Git: Stored XSS leading to RCE","description":"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.","state":0,"publishedAt":"2026-07-08T21:03:01.698+00:00","modifiedAt":"2026-07-09T14:16:09.781+00:00","affected":[{"ecosystem":"Vendor product","name":"jupyterlab-git","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"jupyterlab\",\n                    \"product\": \"jupyterlab-git\",\n                    \"versions\": [\n                        {\n                            \"version\": \">= 0.30.0b3, < 0.54.0\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"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","score":9.3,"severity":"CRITICAL"}],"references":["https://github.com/jupyterlab/jupyterlab-git/security/advisories/GHSA-f962-v9hr-pfg5","https://github.com/jupyterlab/jupyterlab-git/commit/c6d37b88f36aa59aee317930b95e427fb9d6b09b","https://github.com/jupyterlab/jupyterlab-git/releases/tag/v0.54.0"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-54527","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-54527","identifiers":["CVE-2026-54527"]},"retained":false,"historicalAffected":[]}],"coverage":[]}