CVE-2026-40934
2 advisories.
PyPI/jupyter-server CVE-2026-40934: medium 6.8, EPSS 0.38%
Jupyter Server's Authentication Cookies Remain Valid After Password Reset and Server Restart
Action: Upgrade jupyter-server to 2.18.0 or later.
pip install jupyter-server==2.18.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.18.0 | - |
Fixed versions
| 2.18.0 |
Sources
- osv: GHSA-5mrq-x3x5-8v8f
- https://github.com/jupyter-server/jupyter_server/security/advisories/GHSA-5mrq-x3x5-8v8f
- https://nvd.nist.gov/vuln/detail/CVE-2026-40934
- https://github.com/jupyter-server/jupyter_server
- https://github.com/pypa/advisory-database/tree/main/vulns/jupyter-server/PYSEC-2026-69.yaml
CVE-2026-40934 · published · modified · JSON
PyPI/jupyter-server CVE-2026-40934: medium 6.8, EPSS 0.38%
Jupyter Server is the backend for Jupyter web applications. In versions 2.17.0 and earlier, the secret used to sign authentication cookies is persisted to a static file at ~/.local/share/jupyter/runti
Action: Upgrade jupyter-server to 2.18.0 or later.
pip install jupyter-server==2.18.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.18.0 | - |
Fixed versions
| 2.18.0 |
Sources
- osv: PYSEC-2026-69
- https://github.com/jupyter-server/jupyter_server/security/advisories/GHSA-5mrq-x3x5-8v8f
CVE-2026-40934 · published · modified · JSON