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Fencer Vulns
high 8.8

CVE-2022-39286 json

Execution with Unnecessary Privileges in JupyterApp

published 2022-10-26 4 y ago modified 2026-06-17 4 mo ago also GHSA-m678-f26j-3hrp , PYSEC-2022-42974 , EUVD-2022-0129

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 73%
public exploits
0
none known

Summary

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.

Patch / fix

  • pypi jupyter-core 4.11.2
  • jupyter jupyter_core 4.11.2
  • jupyter-core Debian 14, Debian 13, Debian 12 4.11.2-1

debian advisories DEBIAN-CVE-2022-39286

  • jupyter-core Ubuntu Pro 18.04 LTS 4.4.0-2ubuntu0.1~esm1
  • jupyter-core Ubuntu Pro 20.04 LTS 4.6.3-3ubuntu0.1~esm1
  • jupyter-core Ubuntu Pro 22.04 LTS 4.9.1-1ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2022-39286

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-39286 updated cvss 8.8

jupyter-core: arbitrary code execution

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
18 mo ago

Exploit prediction

1.45% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
GitHub 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
pypi jupyter-core
<4.11.2
4.11.2

Affected products

  • jupyter jupyter_core

Classification

Weakness
  • CWE-269 Improper Privilege Management
  • CWE-250 Execution with Unnecessary Privileges
  • CWE-427 Uncontrolled Search Path Element

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.