PyPI/jupyterlab-git-core CVE-2026-54527: critical 9, EPSS 0.53%

jupyterlab-git extension: Stored XSS leading to RCE

Action: Upgrade jupyterlab-git-core to 0.54.0 or later.

pip install jupyterlab-git-core==0.54.0

Affected

Fixed versions

Sources

• osv: GHSA-f962-v9hr-pfg5#PyPI/jupyterlab-git-core
• https://github.com/jupyterlab/jupyterlab-git/security/advisories/GHSA-f962-v9hr-pfg5
• https://nvd.nist.gov/vuln/detail/CVE-2026-54527
• https://github.com/jupyterlab/jupyterlab-git/commit/c6d37b88f36aa59aee317930b95e427fb9d6b09b
• https://github.com/advisories/GHSA-f962-v9hr-pfg5
• https://github.com/jupyterlab/jupyterlab-git
• https://github.com/jupyterlab/jupyterlab-git/releases/tag/v0.54.0
• https://github.com/pypa/advisory-database/tree/main/vulns/jupyterlab-git-core/PYSEC-2026-2541.yaml
• https://github.com/pypa/advisory-database/tree/main/vulns/jupyterlab-git/PYSEC-2026-2540.yaml
• https://pypi.org/project/jupyterlab-git
• https://pypi.org/project/jupyterlab-git-core

CVE-2026-54527 · published 2026-06-19T19:36:04Z · modified 2026-09-04T21:30:06.667307085Z · JSON