Bug 2484708

Summary: CVE-2026-35397 python-jupyter-server: Jupyter Server: Unauthorized File Access via Path Traversal Vulnerability [fedora-all]
Product: [Fedora] Fedora Reporter: Dhananjay Arunesh <darunesh>
Component: python-jupyter-serverAssignee: Lumír Balhar <lbalhar>
Status: CLOSED ERRATA QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: rawhideCC: lbalhar, romain.geissler
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["d1ecb411-a068-45c9-ad8d-2b765c734310"]}
Fixed In Version: python-jupyter-server-2.19.0-2.fc43 python-jupyter-server-2.20.0-1.fc44 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-06-27 00:55:15 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 2466858    

Description Dhananjay Arunesh 2026-06-04 10:58:25 UTC
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

Comment 1 Fedora Update System 2026-06-17 10:32:58 UTC
FEDORA-2026-9536c7cb79 (python-jupyter-server-2.19.0-2.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-9536c7cb79

Comment 2 Fedora Update System 2026-06-19 01:39:29 UTC
FEDORA-2026-9536c7cb79 has been pushed to the Fedora 43 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-9536c7cb79`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-9536c7cb79

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 3 Fedora Update System 2026-06-19 19:00:26 UTC
FEDORA-2026-458669c813 has been pushed to the Fedora 44 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-458669c813`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-458669c813

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 4 Fedora Update System 2026-06-27 00:55:15 UTC
FEDORA-2026-9536c7cb79 (python-jupyter-server-2.19.0-2.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 5 Fedora Update System 2026-06-27 01:58:27 UTC
FEDORA-2026-dd1d19e58b has been pushed to the Fedora 44 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-dd1d19e58b`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-dd1d19e58b

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 6 Fedora Update System 2026-07-05 01:07:51 UTC
FEDORA-2026-dd1d19e58b (python-jupyter-server-2.20.0-1.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.