GHSA-r726-vmfq-j9j3

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GHSA-r726-vmfq-j9j3

Summary: Open Redirect Vulnerability in jupyter-server

Details: ### Impact Open Redirect Vulnerability. Maliciously crafted login links to known Jupyter Servers can cause successful login or an already logged-in session to be redirected to arbitrary sites, which should be restricted to Jupyter Server-served URLs. ### Patches Upgrade to Jupyter Server 2.7.2 ### Workarounds None. ### References Vulnerability reported by user davwwwx via the [bug bounty program](https://app.intigriti.com/programs/jupyter/jupyter/detail) [sponsored by the European Commission](https://commission.europa.eu/news/european-commissions-open-source-programme-office-starts-bug-bounties-2022-01-19_en) and hosted on the [Intigriti platform](https://www.intigriti.com/). - https://blog.xss.am/2023/08/cve-2023-39968-jupyter-token-leak/

References: https://github.com/jupyter-server/jupyter_server/security/advisories/GHSA-r726-vmfq-j9j3, https://nvd.nist.gov/vuln/detail/CVE-2023-39968, https://github.com/jupyter-server/jupyter_server/commit/290362593b2ffb23c59f8114d76f77875de4b925, https://blog.xss.am/2023/08/cve-2023-39968-jupyter-token-leak, https://github.com/jupyter-server/jupyter_server, https://github.com/pypa/advisory-database/tree/main/vulns/jupyter-server/PYSEC-2023-155.yaml, https://lists.fedoraproject.org/archives/list/[email protected]/message/NRP7DNZYVOIA4ZB3U3ZWKTFZEPYWNGCQ, https://lists.fedoraproject.org/archives/list/[email protected]/message/XDKQAWQN6SQTOVACZNXYKEHWQXGG4DOF