Incorrect authorization in jackson-databind - CVE-2026-54517
Published: July 22, 2026
Vulnerability identifier: #VU139154
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-54517
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: FasterXML
Affected software:
jackson-databind
jackson-databind
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass access controls and modify view-restricted properties.
The vulnerability exists due to incorrect authorization in BeanDeserializer._deserializeUsingPropertyBased when deserializing property-based input with setterless collection or map creator properties. A remote attacker can send specially crafted JSON input to bypass access controls and modify view-restricted properties.
Only setterless collection or map properties annotated with a restricted @JsonView and processed under an active view are affected.
How to mitigate CVE-2026-54517
Install security update from vendor's website.