CVE-2023-39968: URL Redirection to Untrusted Site ('Open Redirect')

August 28, 2023 (updated September 15, 2023)

jupyter-server is the backend for Jupyter web applications. 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. This issue has been addressed in commit 29036259 which is included in release 2.7.2. Users are advised to upgrade. There are no known workarounds for this vulnerability.

References

github.com/advisories/GHSA-r726-vmfq-j9j3
github.com/jupyter-server/jupyter_server/commit/290362593b2ffb23c59f8114d76f77875de4b925
github.com/jupyter-server/jupyter_server/security/advisories/GHSA-r726-vmfq-j9j3
nvd.nist.gov/vuln/detail/CVE-2023-39968

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