jackson-databind: InetSocketAddress deserialization triggers eager DNS resolution (SSRF)

Summary JDKFromStringDeserializer constructed InetSocketAddress with new InetSocketAddresshost, port, which performs eager DNS name resolution for hostname inputs at deserialization time. An application that binds untrusted JSON into a type containing an InetSocketAddress field issues an...

CVE-2026-54514

jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.0.0 until 2.18.8, 2.21.4, and 3.1.4, JDKFromStringDeserializer constructed InetSocketAddress with new InetSocketAddresshost, port, which performs eager DNS name resolution fo...

PT-2026-51597

Name of the Vulnerable Software and Affected Versions jackson-databind versions 2.0.0 through 2.18.7 jackson-databind versions 2.19.0 through 2.21.3 jackson-databind versions 3.0.0 through 3.1.3 Description The JDKFromStringDeserializer function constructs InetSocketAddress using new...