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Vulnerability · Published Aug 28, 2023 · Assigned by GitHub_M

CVE-2023-39968Open Redirect Vulnerability in jupyter-server

Medium 4.3

In plain English

A medium-severity open redirect in jupyter_server from jupyter-server. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.7%top 47.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20jupyter-server2.7.3-r0ALPINE-CVE-2023-39968
Alpine:v3.21jupyter-server2.7.3-r0ALPINE-CVE-2023-39968
Alpine:v3.22jupyter-server2.7.3-r0ALPINE-CVE-2023-39968
Alpine:v3.23jupyter-server2.7.3-r0ALPINE-CVE-2023-39968
Alpine:v3.24jupyter-server2.7.3-r0ALPINE-CVE-2023-39968
Debian:12jupyter-serverno fix listedDEBIAN-CVE-2023-39968
Debian:13jupyter-server2.14.2-1DEBIAN-CVE-2023-39968
Debian:14jupyter-server2.14.2-1DEBIAN-CVE-2023-39968
PyPIjupyter-server2.7.2PYSEC-2023-155
PyPIjupyter-server2.7.2GHSA-r726-vmfq-j9j3
Ubuntu:22.04:LTSjupyter-serverno fix listedUBUNTU-CVE-2023-39968
Ubuntu:24.04:LTSjupyter-serverno fix listedUBUNTU-CVE-2023-39968
Ubuntu:25.10jupyter-serverno fix listedUBUNTU-CVE-2023-39968
Ubuntu:26.04:LTSjupyter-serverno fix listedUBUNTU-CVE-2023-39968
Ubuntu:26.10jupyter-serverno fix listedUBUNTU-CVE-2023-39968

Affected products (as reported)

VendorProductVersions
jupyter-server jupyter_server < 2.7.2

Weakness: CWE-601 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

References