Bug 2491991
| Summary: | CVE-2026-44727 python-jupyter-server: Jupyter Server: Remote Code Execution via stored Cross-Site Scripting in nbconvert handlers [fedora-43] | ||
|---|---|---|---|
| Product: | [Fedora] Fedora | Reporter: | jjulien |
| Component: | python-jupyter-server | Assignee: | LumÃr Balhar <lbalhar> |
| Status: | CLOSED ERRATA | QA Contact: | |
| Severity: | high | Docs Contact: | |
| Priority: | high | ||
| Version: | 43 | CC: | lbalhar, romain.geissler |
| Target Milestone: | --- | Keywords: | Security, SecurityTracking |
| Target Release: | --- | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | {"flaws": ["c4fa59be-7ba4-4b70-8864-f306f4259893"]} | ||
| Fixed In Version: | python-jupyter-server-2.20.0-1.fc43 | Doc Type: | --- |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2026-07-05 00:50:03 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: | 2491516 | ||
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Description
jjulien
2026-06-23 21:36:41 UTC
FEDORA-2026-dd1d19e58b (python-jupyter-server-2.20.0-1.fc44) has been submitted as an update to Fedora 44. https://bodhi.fedoraproject.org/updates/FEDORA-2026-dd1d19e58b FEDORA-2026-275d2ecbbd (python-jupyter-server-2.20.0-1.fc43) has been submitted as an update to Fedora 43. https://bodhi.fedoraproject.org/updates/FEDORA-2026-275d2ecbbd FEDORA-2026-275d2ecbbd 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-2026-275d2ecbbd` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-275d2ecbbd See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates. 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. FEDORA-2026-275d2ecbbd (python-jupyter-server-2.20.0-1.fc43) has been pushed to the Fedora 43 stable repository. If problem still persists, please make note of it in this bug report. |