Bug 2489256

Summary: CVE-2026-41149 python-jupytext: Mermaid: HTML injection via classDef directive in state diagrams [fedora-all]
Product: [Fedora] Fedora Reporter: Ganesh <gnaik>
Component: python-jupytextAssignee: Jerry James <loganjerry>
Status: CLOSED NOTABUG QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: rawhideCC: loganjerry
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["caa24790-080f-40db-87e5-10da574a344f"]}
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Doc Text:
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Last Closed: 2026-06-16 14:58:19 UTC Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On:    
Bug Blocks: 2480864    

Description Ganesh 2026-06-16 14:04:55 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 Jerry James 2026-06-16 14:58:19 UTC 
CVE-2026-41149 affects mermaid versions <= 10.9.5 and versions 11.0.0-alpha1 through 11.14.0.  The python-jupytext package has version 11.15.0 in all supported Fedora releases.