CVE-2022-39286 — Jupyter Core is a package for the core common functionality of Jupyter projects
Jupyter Core is a package for the core common functionality of Jupyter projects. Jupyter Core prior to version 4.11.2 contains an arbitrary code execution vulnerability in `jupyter_core` that stems from `jupyter_core` executing untrusted files in CWD. This vulnerability allows on
Published
2022-10-26T00:00:00.000Z
Last modified
2025-04-23T16:43:15.864Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
01What is this vulnerability?
Jupyter Core is a package for the core common functionality of Jupyter projects. Jupyter Core prior to version 4.11.2 contains an arbitrary code execution vulnerability in `jupyter_core` that stems from `jupyter_core` executing untrusted files in CWD. This vulnerability allows one user to run code as another. Version 4.11.2 contains a patch for this issue. There are no known workarounds.
02Affected products
| Vendor | Product | Versions |
|---|
| jupyter | jupyter_core | < 4.11.2 |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2022-10-26T00:00:00.000Z
- Last modified: 2025-04-23T16:43:15.864Z
09References
- github.com — https://github.com/jupyter/jupyter_core/security/advisories/GHSA-m678-f26j-3hrp
- github.com — https://github.com/jupyter/jupyter_core/commit/1118c8ce01800cb689d51f655f5ccef19…
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2022/11/msg00022.html
- security.gentoo.org — https://security.gentoo.org/glsa/202301-04
- lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
- lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
- www.debian.org — https://www.debian.org/security/2023/dsa-5422
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