CVE-2023-39968: jupyter-server jupyter_server Open Redirect
Vulnerability summary
CVE-2023-39968 is a medium (CVSS 6.1) Open Redirect vulnerability in jupyter-server jupyter_server. EPSS estimates a 0.68% chance of exploitation in the next 30 days, higher than 51.5% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 1 · Related 3Timeline
- 28-08-2023PublishedVulnerability first disclosed.
- 13-02-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
7 scores · 7 sources · 1 version- CVE.orgCNA4.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:NDiffers
- OSV · PypiEcosystem advisory · calculated6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- OSV · UbuntuEcosystem advisory · calculated6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- OSV · DebianEcosystem advisory · calculated6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- OSV · WolfiEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:NDiffers
- OSV · ChainguardEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:NDiffers
EPSS trend
Probability
0.68%
Chance of exploitation in the next 30 days
Percentile
52%
Versus all other CVEs
30-day change
0.00 pp
From 0.68% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard1 product
- kubeflow-pipelines-visualization-server< 2.4.0-r0
Debian1 product
- jupyter-serverAll versions (No fix recorded) | < 2.14.2-1
Jupyter1 product
- jupyter_server< 2.7.2
Jupyter-server1 product
- jupyter_server< 2.7.2
PyPI1 product
- jupyter-server< 290362593b2ffb23c59f8114d76f77875de4b925 | < 2.7.2
Ubuntu1 product
- jupyter-serverAll versions (No fix recorded)
Wolfi1 product
- kubeflow-pipelines-visualization-server< 2.4.0-r0
7 vendors · 7 products
References
14 links- github.com/jupyter-server/jupyter_server/security/advisories/GHSA-r726-vmfq-j9j3X Refsource CONFIRMWEBAdvisoryREPORTVendor Advisory
- github.com/jupyter-server/jupyter_server/commit/290362593b2ffb23c59f8114d76f77875de4b925X Refsource MISCWEBFIXREPORTPatch
