Bug 2452203

Summary: CVE-2026-33747 source-to-image: BuildKit: Arbitrary file write and code execution via untrusted frontend [fedora-43]
Product: [Fedora] Fedora Reporter: Vipul Nair <vinair>
Component: source-to-imageAssignee: Tomas Hrcka <thrcka>
Status: NEW --- QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: medium    
Version: 43CC: go-sig, hhorak, jchaloup, pkubat, thrcka, yselkowi
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---Flags: fedora-admin-xmlrpc: mirror+
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["6e0c2e14-0959-4bc9-a8bf-95e8f748b120"]}
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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: 2452076    

Description Vipul Nair 2026-03-27 09:04:11 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.