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CWE-283: Unverified Ownership

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The product does not properly verify that a critical resource is owned by the proper entity.

What the weakness is: CWE-283 at MITRE. OWASP Top 10: A01:2025 Broken Access Control

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Show the promptExplain CWE-283: Unverified Ownership and how to prevent and detect it in code. Use https://cwe.mitre.org/data/definitions/283.html and https://cve.bz/cve/cwe/283?via=ask-ai-copy for recent CVEs with this weakness. Cite the sources.

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  4. 7.0CVE-2026-110237EPSS 0.1%

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  5. 7.2CVE-2026-93853EPSS 0.2%

    Unverified ownership in Barman snapshot backup deletion allows a principal who can write the backup catalog to cause Barman to delete unrelated cloud snapshots. When a snapshot backup is deleted, either explicitly or by retention policy en…

  6. 6.8CVE-2025-24890EPSS 0.2%

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    A missing S3 bucket ownership verification in the AWS Security Agent MCP server before 0.2.0 version might allow remote attackers to obtain the private source archive of a scanned workspace, including credentials and infrastructure state c…

  8. 5.1CVE-2026-87912EPSS 0.4%

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  9. 5.1CVE-2026-84386EPSS 0.1%

    A unverified ownership vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.7, FortiClientWindows 7.2 all versions may allow attacker to improper access control via via an exposed minifilter communication port.

  10. 5.1CVE-2026-85781EPSS 0.4%

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  11. 6.5CVE-2026-9745EPSS 0.3%

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  13. 3.3CVE-2026-15599EPSS 0.1%

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  14. 6.8CVE-2026-44707EPSS 0.3%

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  17. 5.8CVE-2026-4269EPSS 0.3%

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  18. 8.4CVE-2026-29788EPSS 0.3%

    TSPortal is the WikiTide Foundation’s in-house platform used by the Trust and Safety team to manage reports, investigations, appeals, and transparency work. Prior to version 30, conversion of empty strings to null allows disguising DPA rep…

  19. 4.3CVE-2026-27486EPSS 0.3%

    OpenClaw is a personal AI assistant. In versions 2026.2.13 and below of the OpenClaw CLI, the process cleanup uses system-wide process enumeration and pattern matching to terminate processes without verifying if they are owned by the curre…

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    Wings is the server control plane for Pterodactyl, a free, open-source game server management panel. Prior to version 1.12.1, a missing authorization check in multiple controllers allows any user with access to a node secret token to fetch…

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    Gitea does not properly validate repository ownership when linking attachments to releases. An attachment uploaded to a private repository could potentially be linked to a release in a different public repository, making it accessible to u…

  23. 5.3CVE-2025-12815EPSS 0.3%

    An ownership verification issue in the Virtual Desktop preview page in the Research and Engineering Studio (RES) on AWS before version 2025.09 may allow an authenticated remote user to view another user's active desktop session metadata, i…

  24. 4.3CVE-2025-36091EPSS 0.4%

    IBM Cloud Pak For Business Automation 25.0.0, 24.0.1, and 24.0.0 could allow an authenticated user to cause dashboards to become inaccessible to legitimate users due to invalid ownership assignment.

  25. 5.5CVE-2025-9822EPSS 0.2%

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  26. 7.8CVE-2025-43882EPSS 0.1%

    Dell ThinOS 10, versions prior to 2508_10.0127, contains an Unverified Ownership vulnerability. A local low-privileged attacker could potentially exploit this vulnerability leading to Unauthorized Access.

  27. 7.2CVE-2025-47940EPSS 0.5%

    TYPO3 is an open source, PHP based web content management system. Starting in version 10.0.0 and prior to versions 10.4.50 ELTS, 11.5.44 ELTS, 12.4.31 LTS, and 13.4.12 LTS, administrator-level backend users without system maintainer privil…

  28. 6.9CVE-2025-1007EPSS 0.5%

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  29. 9.8CVE-2024-27903EPSS 8.9%

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    The Workreap WordPress theme before 2.2.2 had several AJAX actions missing authorization checks to verify that a user was authorized to perform critical operations such as modifying or deleting objects. This allowed a logged in user to mod…

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