{"id":"CVE-2026-78654","summary":"cleverbrush framework/deep deepExtend.ts deepExtend prototype pollution","details":"A vulnerability has been found in cleverbrush framework and deep up to 4.4.0. This impacts the function deepExtend of the file libs/deep/src/deepExtend.ts. The manipulation leads to improperly controlled modification of object prototype attributes. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. Upgrading to version 4.4.1 will fix this issue. The identifier of the patch is 810398c1308c500c3b8b6af380b5a89371389327. You should upgrade the affected component.","modified":"2026-08-28T11:30:18.537578430Z","published":"2026-08-25T06:00:13.406Z","database_specific":{"cwe_ids":["CWE-1321","CWE-94"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/78xxx/CVE-2026-78654.json","cna_assigner":"VulDB"},"references":[{"type":"WEB","url":"https://github.com/cleverbrush/framework/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/78xxx/CVE-2026-78654.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-78654"},{"type":"ADVISORY","url":"https://vuldb.com/cve/CVE-2026-78654"},{"type":"ADVISORY","url":"https://vuldb.com/submit/886401"},{"type":"ADVISORY","url":"https://vuldb.com/vuln/394866"},{"type":"REPORT","url":"https://github.com/cleverbrush/framework/issues/213"},{"type":"REPORT","url":"https://vuldb.com/vuln/394866/cti"},{"type":"FIX","url":"https://github.com/cleverbrush/framework/commit/810398c1308c500c3b8b6af380b5a89371389327"},{"type":"FIX","url":"https://github.com/cleverbrush/framework/pull/215"},{"type":"FIX","url":"https://github.com/cleverbrush/framework/releases/tag/%40cleverbrush/async%404.4.1"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/cleverbrush/framework","events":[{"introduced":"12f4aa65905531a5e08f8d8ae90d09e34f5dc2d9"},{"fixed":"810398c1308c500c3b8b6af380b5a89371389327"}],"database_specific":{"extracted_events":[{"introduced":"4.0"},{"last_affected":"4.0"},{"introduced":"4.1"},{"last_affected":"4.1"},{"introduced":"4.2"},{"last_affected":"4.2"},{"introduced":"4.3"},{"last_affected":"4.3"},{"introduced":"4.4.0"},{"last_affected":"4.4.0"}],"source":["AFFECTED_FIELD","REFERENCES"]}}],"versions":["4.0","4.1","4.2","4.3","4.4.0","v4.4.0","@cleverbrush/server@4.4.0","@cleverbrush/server-openapi@4.4.0","@cleverbrush/schema@4.4.0","@cleverbrush/schema-json@4.4.0","@cleverbrush/scheduler@4.4.0","@cleverbrush/react-form@4.4.0","@cleverbrush/otel@4.4.0","@cleverbrush/orm@4.4.0","@cleverbrush/orm-cli@4.4.0","@cleverbrush/mapper@4.4.0","@cleverbrush/log@4.4.0","@cleverbrush/knex-schema@4.4.0","@cleverbrush/knex-clickhouse@4.4.0","@cleverbrush/env@4.4.0","@cleverbrush/deep@4.4.0","@cleverbrush/client@4.4.0","@cleverbrush/auth@4.4.0","@cleverbrush/async@4.4.0","@cleverbrush/server@4.3.2","@cleverbrush/server-openapi@4.3.2","@cleverbrush/schema@4.3.2","@cleverbrush/schema-json@4.3.2","@cleverbrush/scheduler@4.3.2","@cleverbrush/react-form@4.3.2","@cleverbrush/otel@4.3.2","@cleverbrush/orm@4.3.2","@cleverbrush/orm-cli@4.3.2","@cleverbrush/mapper@4.3.2","@cleverbrush/log@4.3.2","@cleverbrush/knex-schema@4.3.2","@cleverbrush/knex-clickhouse@4.3.2","@cleverbrush/env@4.3.2","@cleverbrush/di@4.3.2","@cleverbrush/deep@4.3.2","@cleverbrush/client@4.3.2","@cleverbrush/auth@4.3.2","@cleverbrush/async@4.3.2","@cleverbrush/server@4.3.1","@cleverbrush/server-openapi@4.3.1","@cleverbrush/schema@4.3.1","@cleverbrush/schema-json@4.3.1","@cleverbrush/scheduler@4.3.1","@cleverbrush/react-form@4.3.1","@cleverbrush/otel@4.3.1","@cleverbrush/orm@4.3.1","@cleverbrush/orm-cli@4.3.1","@cleverbrush/mapper@4.3.1","@cleverbrush/log@4.3.1","@cleverbrush/knex-schema@4.3.1","@cleverbrush/knex-clickhouse@4.3.1","@cleverbrush/env@4.3.1","@cleverbrush/di@4.3.1","@cleverbrush/deep@4.3.1","@cleverbrush/client@4.3.1","@cleverbrush/auth@4.3.1","@cleverbrush/async@4.3.1","v4.3.0","@cleverbrush/server@4.3.0","@cleverbrush/server-openapi@4.3.0","@cleverbrush/schema@4.3.0","@cleverbrush/schema-json@4.3.0","@cleverbrush/scheduler@4.3.0","@cleverbrush/react-form@4.3.0","@cleverbrush/otel@4.3.0","@cleverbrush/orm@4.3.0","@cleverbrush/orm-cli@4.3.0","@cleverbrush/mapper@4.3.0","@cleverbrush/log@4.3.0","@cleverbrush/knex-schema@4.3.0","@cleverbrush/knex-clickhouse@4.3.0","@cleverbrush/env@4.3.0","@cleverbrush/di@4.3.0","@cleverbrush/deep@4.3.0","@cleverbrush/client@4.3.0","@cleverbrush/auth@4.3.0","@cleverbrush/async@4.3.0","v4.2.0","@cleverbrush/server@4.2.0","@cleverbrush/server-openapi@4.2.0","@cleverbrush/schema@4.2.0","@cleverbrush/schema-json@4.2.0","@cleverbrush/scheduler@4.2.0","@cleverbrush/react-form@4.2.0","@cleverbrush/otel@4.2.0","@cleverbrush/orm@4.2.0","@cleverbrush/orm-cli@4.2.0","@cleverbrush/mapper@4.2.0","@cleverbrush/log@4.2.0","@cleverbrush/knex-schema@4.2.0","@cleverbrush/knex-clickhouse@4.2.0","@cleverbrush/env@4.2.0","@cleverbrush/di@4.2.0","@cleverbrush/deep@4.2.0","@cleverbrush/client@4.2.0","@cleverbrush/auth@4.2.0","@cleverbrush/async@4.2.0","v4.1.0","@cleverbrush/server@4.1.0","@cleverbrush/server-openapi@4.1.0","@cleverbrush/schema@4.1.0","@cleverbrush/schema-json@4.1.0","@cleverbrush/scheduler@4.1.0","@cleverbrush/react-form@4.1.0","@cleverbrush/otel@4.1.0","@cleverbrush/mapper@4.1.0","@cleverbrush/log@4.1.0","@cleverbrush/knex-schema@4.1.0","@cleverbrush/knex-clickhouse@4.1.0","@cleverbrush/env@4.1.0","@cleverbrush/di@4.1.0","@cleverbrush/deep@4.1.0","@cleverbrush/client@4.1.0","@cleverbrush/auth@4.1.0","@cleverbrush/async@4.1.0","v4.0.0","@cleverbrush/server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