Bug 2458219

Summary: CVE-2026-4786 mingw-python3: Python: Arbitrary code execution via command injection in webbrowser.open() API [fedora-all]
Product: [Fedora] Fedora Reporter: Marco Benatto <mbenatto>
Component: mingw-python3Assignee: Sandro Mani <manisandro>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: high Docs Contact:
Priority: high    
Version: rawhideCC: manisandro
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["f6118815-adda-4e9e-881a-9d258f7a0b70"]}
Fixed In Version: mingw-python3-3.11.15-4.fc43 mingw-python3-3.11.15-4.fc42 mingw-python3-3.11.15-4.fc44 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-04-28 00:58:34 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: 2458049    

Description Marco Benatto 2026-04-14 15:48:58 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 2026-04-18 08:16:21 UTC
FEDORA-2026-f04915ebfd (mingw-python3-3.11.15-4.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-f04915ebfd

Comment 2 Fedora Update System 2026-04-18 08:16:21 UTC
FEDORA-2026-43577dc43b (mingw-python3-3.11.15-4.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-43577dc43b

Comment 3 Fedora Update System 2026-04-19 00:53:27 UTC
FEDORA-2026-f04915ebfd 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-f04915ebfd`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-f04915ebfd

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

Comment 4 Fedora Update System 2026-04-19 01:44:08 UTC
FEDORA-2026-43577dc43b 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-2026-43577dc43b`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-43577dc43b

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

Comment 5 Fedora Update System 2026-04-19 02:02:39 UTC
FEDORA-2026-763e814afa has been pushed to the Fedora 42 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-763e814afa`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-763e814afa

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

Comment 6 Fedora Update System 2026-04-28 00:58:34 UTC
FEDORA-2026-43577dc43b (mingw-python3-3.11.15-4.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 7 Fedora Update System 2026-04-28 01:13:59 UTC
FEDORA-2026-763e814afa (mingw-python3-3.11.15-4.fc42) has been pushed to the Fedora 42 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 8 Fedora Update System 2026-04-28 01:33:00 UTC
FEDORA-2026-f04915ebfd (mingw-python3-3.11.15-4.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.