CVE intelligence and bounded remediation
CVE-2025-64408 — Apache Causeway faces Java deserialization vulnerabilities that allow remote code execution (RCE) through user-controllable URL parameters
Apache Causeway faces Java deserialization vulnerabilities that allow remote code execution (RCE) through user-controllable URL parameters. These vulnerabilities affect all applications using Causeway's ViewModel functionality and can be exploited by authenticated attackers to execute arbitrary code with application privileges. This issue affects all current versions. Users are recommended to upgrade to version 3.5.0, which fixes the issue.
- Severity
- Medium
- CVSS
- 6.3 (3.1)
- Published
- 2025-11-19
- CISA KEV
- Not currently listed
- Ecosystem
- java/maven
- Weaknesses
- CWE-502
Affected products
- apache / causeway
- apache / causeway / 4.0.0
Matched remediation archetype
Unsafe deserialization and object reconstruction
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Check exposure
- Inventory serialization formats accepted from requests, queues, caches, files, cookies, and cross-service messages.
- Trace whether untrusted input can select classes, types, callbacks, constructors, or object hooks during decoding.
- Identify signing, schema validation, trust-boundary, and compatibility settings for each decoder.
Remediate safely
- Replace native object deserialization with a data-only format and explicit schema validation.
- If replacement is not immediate, use a safe decoder with a minimal type allowlist and disable polymorphic or executable hooks.
- Update the affected library and add inert tests for unknown types, extra fields, malformed nesting, and unsigned data.
Authoritative sources
Complete CVE record and remediation plan
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