{ "document": { "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings." } ], "publisher": { "category": "coordinator", "contact_details": "cert@ncsc.nl", "name": "National Cyber Security Centre", "namespace": "https://www.ncsc.nl/" }, "title": "CVE-2026-33430", "tracking": { "current_release_date": "2026-03-29T16:13:50.061425Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-33430", "initial_release_date": "2026-03-24T20:41:59.795388Z", "revision_history": [ { "date": "2026-03-24T20:41:59.795388Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (5).| CWES updated (1)." }, { "date": "2026-03-24T20:42:10.302852Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-03-25T18:36:45.341687Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (31).| Product Identifiers created (30).| References created (4).| CWES updated (1)." }, { "date": "2026-03-25T18:36:58.283873Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-03-26T17:29:00.730345Z", "number": "5", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (4).| CWES updated (1)." }, { "date": "2026-03-26T17:29:02.630241Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-03-26T17:39:11.789523Z", "number": "7", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| References created (4).| CWES updated (1)." }, { "date": "2026-03-26T17:39:13.793479Z", "number": "8", "summary": "NCSC Score updated." }, { "date": "2026-03-26T18:38:44.323077Z", "number": "9", "summary": "Unknown change." }, { "date": "2026-03-27T20:57:04.350492Z", "number": "10", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-28T07:57:51.201466Z", "number": "11", "summary": "References created (1)." }, { "date": "2026-03-29T03:16:30.066374Z", "number": "12", "summary": "References removed (1)." }, { "date": "2026-03-29T16:13:46.014259Z", "number": "13", "summary": "References created (1)." } ], "status": "interim", "version": "13" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/0.3.0", "product": { "name": "vers:unknown/0.3.0", "product_id": "CSAFPID-5907999", "product_identification_helper": { "purl": "pkg:pypi/briefcase@0.3.0" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.1", "product": { "name": "vers:unknown/0.3.1", "product_id": "CSAFPID-5908000", "product_identification_helper": { "purl": "pkg:pypi/briefcase@0.3.1" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.10", "product": { "name": "vers:unknown/0.3.10", "product_id": "CSAFPID-5908001", "product_identification_helper": { "purl": "pkg:pypi/briefcase@0.3.10" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.10rc7", "product": { "name": "vers:unknown/0.3.10rc7", "product_id": "CSAFPID-5908002", "product_identification_helper": { "purl": "pkg:pypi/briefcase@0.3.10rc7" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.10rc8", "product": { "name": "vers:unknown/0.3.10rc8", "product_id": "CSAFPID-5908003", "product_identification_helper": { "purl": "pkg:pypi/briefcase@0.3.10rc8" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.11", "product": { "name": "vers:unknown/0.3.11", "product_id": "CSAFPID-5908004", "product_identification_helper": { "purl": "pkg:pypi/briefcase@0.3.11" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.11rc4", "product": { "name": "vers:unknown/0.3.11rc4", "product_id": "CSAFPID-5908005", "product_identification_helper": { "purl": "pkg:pypi/briefcase@0.3.11rc4" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.12", "product": { "name": "vers:unknown/0.3.12", "product_id": "CSAFPID-5908006", "product_identification_helper": { "purl": "pkg:pypi/briefcase@0.3.12" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.13", "product": { "name": "vers:unknown/0.3.13", "product_id": "CSAFPID-5908007", "product_identification_helper": { "purl": "pkg:pypi/briefcase@0.3.13" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.14", "product": { "name": "vers:unknown/0.3.14", "product_id": "CSAFPID-5908008", "product_identification_helper": { "purl": "pkg:pypi/briefcase@0.3.14" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.15", "product": { "name": "vers:unknown/0.3.15", "product_id": "CSAFPID-5908009", "product_identification_helper": { "purl": "pkg:pypi/briefcase@0.3.15" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.16", "product": { "name": "vers:unknown/0.3.16", "product_id": "CSAFPID-5908010", "product_identification_helper": { "purl": "pkg:pypi/briefcase@0.3.16" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.17", "product": { "name": "vers:unknown/0.3.17", "product_id": "CSAFPID-5908011", "product_identification_helper": { "purl": "pkg:pypi/briefcase@0.3.17" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.18", "product": { "name": "vers:unknown/0.3.18", "product_id": "CSAFPID-5908012", "product_identification_helper": { "purl": "pkg:pypi/briefcase@0.3.18" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.19", "product": { "name": "vers:unknown/0.3.19", "product_id": "CSAFPID-5908013", "product_identification_helper": { "purl": "pkg:pypi/briefcase@0.3.19" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.2", "product": { "name": "vers:unknown/0.3.2", "product_id": "CSAFPID-5908014", "product_identification_helper": { "purl": "pkg:pypi/briefcase@0.3.2" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.20", "product": { "name": "vers:unknown/0.3.20", "product_id": "CSAFPID-5908015", "product_identification_helper": { "purl": "pkg:pypi/briefcase@0.3.20" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.21", "product": { "name": "vers:unknown/0.3.21", "product_id": "CSAFPID-5908016", "product_identification_helper": { "purl": "pkg:pypi/briefcase@0.3.21" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.22", "product": { "name": "vers:unknown/0.3.22", "product_id": "CSAFPID-5908017", "product_identification_helper": { "purl": "pkg:pypi/briefcase@0.3.22" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.23", "product": { "name": "vers:unknown/0.3.23", "product_id": "CSAFPID-5908018", "product_identification_helper": { "purl": "pkg:pypi/briefcase@0.3.23" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.24", "product": { "name": "vers:unknown/0.3.24", "product_id": "CSAFPID-5908019", "product_identification_helper": { "purl": "pkg:pypi/briefcase@0.3.24" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.25", "product": { "name": "vers:unknown/0.3.25", "product_id": "CSAFPID-5908020", "product_identification_helper": { "purl": "pkg:pypi/briefcase@0.3.25" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.26rc5", "product": { "name": "vers:unknown/0.3.26rc5", "product_id": "CSAFPID-5908021", "product_identification_helper": { "purl": "pkg:pypi/briefcase@0.3.26rc5" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.3", "product": { "name": "vers:unknown/0.3.3", "product_id": "CSAFPID-5908022", "product_identification_helper": { "purl": "pkg:pypi/briefcase@0.3.3" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.4", "product": { "name": "vers:unknown/0.3.4", "product_id": "CSAFPID-5908023", "product_identification_helper": { "purl": "pkg:pypi/briefcase@0.3.4" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.5", "product": { "name": "vers:unknown/0.3.5", "product_id": "CSAFPID-5908024", "product_identification_helper": { "purl": "pkg:pypi/briefcase@0.3.5" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.6", "product": { "name": "vers:unknown/0.3.6", "product_id": "CSAFPID-5908025", "product_identification_helper": { "purl": "pkg:pypi/briefcase@0.3.6" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.7", "product": { "name": "vers:unknown/0.3.7", "product_id": "CSAFPID-5908026", "product_identification_helper": { "purl": "pkg:pypi/briefcase@0.3.7" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.8", "product": { "name": "vers:unknown/0.3.8", "product_id": "CSAFPID-5908027", "product_identification_helper": { "purl": "pkg:pypi/briefcase@0.3.8" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.9", "product": { "name": "vers:unknown/0.3.9", "product_id": "CSAFPID-5908028", "product_identification_helper": { "purl": "pkg:pypi/briefcase@0.3.9" } } }, { "category": "product_version_range", "name": "vers:unknown/>=0.3.0|<0.3.26", "product": { "name": "vers:unknown/>=0.3.0|<0.3.26", "product_id": "CSAFPID-5908029" } } ], "category": "product_name", "name": "briefcase" } ], "category": "vendor", "name": "beeware" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-33430", "cwe": { "id": "CWE-732", "name": "Incorrect Permission Assignment for Critical Resource" }, "notes": [ { "category": "description", "text": "### Impact\n\nIf a developer uses Briefcase to produce an Windows MSI installer for a project, and that project is installed for All Users (i.e., per-machine scope), the installation process creates an directory that inherits all the permissions of the parent directory. Depending on the location chosen by the installing user, this may allow a low privilege but authenticated user to replace or modify the binaries installed by the application. If an administrator then runs the altered binary, the binary will run with elevated privileges.\n\n### Patches\n\nThe problem is caused by the template used to generate the WXS file for Windows projects. It was fixed with the following PRs:\n\n* beeware/briefcase-windows-app-template#86\n* beeware/briefcase-windows-VisualStudio-template#85\n\nThese patches have been backported to the templates used in Briefcase 0.3.26, 0.4.0, and 0.4.1. Re-running `briefcase create` on your Briefcase project will result in the updated templates being used.\n\n### Workarounds\n\nThe change from beeware/briefcase-windows-app-template#86 can be added to any existing Briefcase .wxs file generated by Briefcase 0.3.24 or later.\n\n### Resources\n\nbeeware/briefcase#2759 is a formal bug report of the problem.", "title": "github - https://api.github.com/advisories/GHSA-r3r2-35v9-v238" }, { "category": "description", "text": "### Impact\n\nIf a developer uses Briefcase to produce an Windows MSI installer for a project, and that project is installed for All Users (i.e., per-machine scope), the installation process creates an directory that inherits all the permissions of the parent directory. Depending on the location chosen by the installing user, this may allow a low privilege but authenticated user to replace or modify the binaries installed by the application. If an administrator then runs the altered binary, the binary will run with elevated privileges.\n\n### Patches\n\nThe problem is caused by the template used to generate the WXS file for Windows projects. It was fixed with the following PRs:\n\n* beeware/briefcase-windows-app-template#86\n* beeware/briefcase-windows-VisualStudio-template#85\n\nThese patches have been backported to the templates used in Briefcase 0.3.26, 0.4.0, and 0.4.1. Re-running `briefcase create` on your Briefcase project will result in the updated templates being used.\n\n### Workarounds\n\nThe change from beeware/briefcase-windows-app-template#86 can be added to any existing Briefcase .wxs file generated by Briefcase 0.3.24 or later.\n\n### Resources\n\nbeeware/briefcase#2759 is a formal bug report of the problem.", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/PyPI%2FGHSA-r3r2-35v9-v238.json?alt=media" }, { "category": "description", "text": "Briefcase is a tool for converting a Python project into a standalone native application. Starting in version 0.3.0 and prior to version 0.3.26, if a developer uses Briefcase to produce an Windows MSI installer for a project, and that project is installed for All Users (i.e., per-machine scope), the installation process creates an directory that inherits all the permissions of the parent directory. Depending on the location chosen by the installing user, this may allow a low privilege but authenticated user to replace or modify the binaries installed by the application. If an administrator then runs the altered binary, the binary will run with elevated privileges. The problem is caused by the template used to generate the WXS file for Windows projects. It was fixed in the templates used in Briefcase 0.3.26, 0.4.0, and 0.4.1. Re-running `briefcase create` on your Briefcase project will result in the updated templates being used. As a workaround, the patch can be added to any existing Briefcase .wxs file generated by Briefcase 0.3.24 or later.", "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-33430" }, { "category": "description", "text": "Briefcase is a tool for converting a Python project into a standalone native application. Starting in version 0.3.0 and prior to version 0.3.26, if a developer uses Briefcase to produce an Windows MSI installer for a project, and that project is installed for All Users (i.e., per-machine scope), the installation process creates an directory that inherits all the permissions of the parent directory. Depending on the location chosen by the installing user, this may allow a low privilege but authenticated user to replace or modify the binaries installed by the application. If an administrator then runs the altered binary, the binary will run with elevated privileges. The problem is caused by the template used to generate the WXS file for Windows projects. It was fixed in the templates used in Briefcase 0.3.26, 0.4.0, and 0.4.1. Re-running `briefcase create` on your Briefcase project will result in the updated templates being used. As a workaround, the patch can be added to any existing Briefcase .wxs file generated by Briefcase 0.3.24 or later.", "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/33xxx/CVE-2026-33430.json" }, { "category": "other", "text": "0.00011", "title": "EPSS" }, { "category": "other", "text": "3.7", "title": "NCSC Score" }, { "category": "other", "text": "There is cwe data available from source Nvd", "title": "NCSC Score top decreasing factors" } ], "product_status": { "known_affected": [ "CSAFPID-5907999", "CSAFPID-5908000", "CSAFPID-5908001", "CSAFPID-5908002", "CSAFPID-5908003", "CSAFPID-5908004", "CSAFPID-5908005", "CSAFPID-5908006", "CSAFPID-5908007", "CSAFPID-5908008", "CSAFPID-5908009", "CSAFPID-5908010", "CSAFPID-5908011", "CSAFPID-5908012", "CSAFPID-5908013", "CSAFPID-5908014", "CSAFPID-5908015", "CSAFPID-5908016", "CSAFPID-5908017", "CSAFPID-5908018", "CSAFPID-5908019", "CSAFPID-5908020", "CSAFPID-5908021", "CSAFPID-5908022", "CSAFPID-5908023", "CSAFPID-5908024", "CSAFPID-5908025", "CSAFPID-5908026", "CSAFPID-5908027", "CSAFPID-5908028", "CSAFPID-5908029" ] }, "references": [ { "category": "external", "summary": "Source - github", "url": "https://api.github.com/advisories/GHSA-r3r2-35v9-v238" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/PyPI%2FGHSA-r3r2-35v9-v238.json?alt=media" }, { "category": "external", "summary": "Source - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-33430" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/33xxx/CVE-2026-33430.json" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv", "url": "https://github.com/beeware/briefcase/security/advisories/GHSA-r3r2-35v9-v238" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv", "url": "https://github.com/beeware/briefcase/issues/2759" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv", "url": "https://github.com/beeware/briefcase-windows-VisualStudio-template/pull/85" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv", "url": "https://github.com/beeware/briefcase-windows-app-template/pull/86" }, { "category": "external", "summary": "Reference - github", "url": "https://github.com/advisories/GHSA-r3r2-35v9-v238" }, { "category": "external", "summary": "Reference - github", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33430" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "baseScore": 7.3, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-5907999", "CSAFPID-5908000", "CSAFPID-5908001", "CSAFPID-5908002", "CSAFPID-5908003", "CSAFPID-5908004", "CSAFPID-5908005", "CSAFPID-5908006", "CSAFPID-5908007", "CSAFPID-5908008", "CSAFPID-5908009", "CSAFPID-5908010", "CSAFPID-5908011", "CSAFPID-5908012", "CSAFPID-5908013", "CSAFPID-5908014", "CSAFPID-5908015", "CSAFPID-5908016", "CSAFPID-5908017", "CSAFPID-5908018", "CSAFPID-5908019", "CSAFPID-5908020", "CSAFPID-5908021", "CSAFPID-5908022", "CSAFPID-5908023", "CSAFPID-5908024", "CSAFPID-5908025", "CSAFPID-5908026", "CSAFPID-5908027", "CSAFPID-5908028", "CSAFPID-5908029" ] } ], "title": "CVE-2026-33430" } ] }