CWE-491 (Public cloneable() Method Without Final ('Object Hijack')) documents a weakness type used across vulnerability databases and security assessments. Use the sections below for definition, context, and mapped CVEs.
A class has a cloneable() method that is not declared final, which allows an object to be created without calling the constructor. This can cause the object to be in an unexpected state.
| Kind | Name | Class | Prevalence | OS / CPE |
|---|---|---|---|---|
| language | Java | — | Undetermined | — |
These CVEs are mapped to this weakness in this database and kept for traceability and search.
| CVE | Published | Summary |
|---|---|---|
| CVE-2025-63685 | 2025-11-20 | Quark Cloud Drive v3.23.2 has a DLL Hijacking vulnerability. This vulnerability stems from the insecure loading of system libraries. Specifically, the application does not validate the path or signatu… |
| CVE-2025-60425 | 2025-10-27 | Nagios Fusion v2024R1.2 and v2024R2 does not invalidate already existing session tokens when the two-factor authentication mechanism is enabled, allowing attackers to perform a session hijacking attac… |
| CVE-2025-55622 | 2025-08-22 | Reolink v4.54.0.4.20250526 was discovered to contain a task hijacking vulnerability due to inappropriate taskAffinity settings. NOTE: this is disputed by the Supplier because it is intentional behavio… |
| CVE-2024-39069 | 2024-07-09 | An issue in ifood Order Manager v3.35.5 'Gestor de Peddios.exe' allows attackers to execute arbitrary code via a DLL hijacking attack. |
| Date | Name | Version | Importance | Comment |
|---|---|---|---|---|
| 2008-07-01 | Sean Eidemiller | 1.0 | — | added/updated demonstrative examples |
| 2008-07-01 | Eric Dalci | 1.0 | — | updated References, Demonstrative_Example, Potential_Mitigations, Time_of_Introduction |
| 2008-09-08 | CWE Content Team | 1.0 | — | updated Relationships, References, Taxonomy_Mappings |
| 2009-05-27 | CWE Content Team | 1.4 | — | updated Name |
| 2009-07-27 | CWE Content Team | 1.5 | — | updated Demonstrative_Examples |
| 2011-06-01 | CWE Content Team | 1.13 | — | updated Common_Consequences, Relationships, Taxonomy_Mappings |
| 2011-06-27 | CWE Content Team | 2.0 | — | updated Common_Consequences |
| 2012-05-11 | CWE Content Team | 2.2 | — | updated Relationships, Taxonomy_Mappings |
| 2012-10-30 | CWE Content Team | 2.3 | — | updated Potential_Mitigations |
| 2014-07-30 | CWE Content Team | 2.8 | — | updated Relationships, Taxonomy_Mappings |
| 2019-01-03 | CWE Content Team | 3.2 | — | updated Relationships, Taxonomy_Mappings |
| 2020-02-24 | CWE Content Team | 4.0 | — | updated References, Relationships |
| 2023-04-27 | CWE Content Team | 4.11 | — | updated Relationships |
| 2023-06-29 | CWE Content Team | 4.12 | — | updated Mapping_Notes |
| 2025-12-11 | CWE Content Team | 4.19 | — | updated Detection_Factors, Weakness_Ordinalities |