Threats Tagged 'cve-2026-27953'
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Threats Tagged 'cve-2026-27953'
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CVE-2026-27953: CWE-915: Improperly Controlled Modification of Dynamically-Determined Object Attributes in ormar-orm ormarCVE-2026-27953 0 CVE-2026-27953 is a high-severity vulnerability in ormar, an async mini ORM for Python, affecting versions below 0.23.1. It allows unauthenticated attackers to bypass Pydantic model validation by injecting the "__pk_only__": true parameter in JSON request bodies, enabling direct persistence of unvalidated data to the database. A secondary injection parameter "__excluded__" can nullify arbitrary model fields, facilitating privilege escalation, data integrity violations, and business logic bypass. This vulnerability impacts applications using ormar. Model directly as a request body parameter, especially in FastAPI integrations following ormar's official documentation. The issue has been fixed in version 0.23.1. Join the discussion | CVE Database V5 | 03/19/2026, 20:23:06 UTC Added: 03/20/2026, 01:40:52 UTC |
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