CVE-2026-54512
2 advisories.
Maven/com.fasterxml.jackson.core:jackson-databind CVE-2026-54512: high 8.1
jackson-databind has a PolymorphicTypeValidator bypass via generic type parameters that allows arbitrary class instantiation
Action: Upgrade com.fasterxml.jackson.core:jackson-databind to 2.18.8 (2.18.x), 2.21.4 (2.21.x) or 3.1.4 (3.1.x) or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 2.10.0 | 2.18.8 | - |
| 3.0.0 | 3.1.4 | - |
| 2.19.0 | 2.21.4 | - |
Fixed versions
| 2.18.8 | 3.1.4 | 2.21.4 |
Sources
- osv: GHSA-j3rv-43j4-c7qm
- https://github.com/FasterXML/jackson-databind/security/advisories/GHSA-j3rv-43j4-c7qm
- https://nvd.nist.gov/vuln/detail/CVE-2026-54512
- https://github.com/FasterXML/jackson-databind/issues/5988
- https://github.com/FasterXML/jackson-databind/commit/434d6c511de7fdd9872f29157aafb6162d12d8d5
- https://github.com/FasterXML/jackson-databind
CVE-2026-54512 · published · modified · JSON
Maven/tools.jackson.core:jackson-databind CVE-2026-54512: high 8.1
jackson-databind has a PolymorphicTypeValidator bypass via generic type parameters that allows arbitrary class instantiation
Action: Upgrade tools.jackson.core:jackson-databind to 3.1.4 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 3.0.0 | 3.1.4 | - |
Fixed versions
| 3.1.4 |
Sources
- osv: GHSA-j3rv-43j4-c7qm#Maven/tools.jackson.core:jackson-databind
- https://github.com/FasterXML/jackson-databind/security/advisories/GHSA-j3rv-43j4-c7qm
- https://nvd.nist.gov/vuln/detail/CVE-2026-54512
- https://github.com/FasterXML/jackson-databind/issues/5988
- https://github.com/FasterXML/jackson-databind/commit/434d6c511de7fdd9872f29157aafb6162d12d8d5
- https://github.com/FasterXML/jackson-databind
CVE-2026-54512 · published · modified · JSON