Published : Oct. 18, 2026, 1:16 p.m. | 10 hours, 46 minutes ago
Description :Xinference through 4.0.1 contains a path traversal vulnerability on Windows that allows unauthenticated attackers to write and delete arbitrary .json files via backslash sequences in model_name. Attackers can register a persisted custom model through POST /v1/model_registrations/{model_type} with names like ….evil to overwrite configuration or data files writable by the Xinference process.
Severity: 8.3 | HIGH
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Google Gemini (gemini-2.5-flash) • CVE: CVE-2026-112051
N/A
This CVE describes a critical remote code execution vulnerability identified in the SecureObjectDeserializer component (version 3.0.0 through 3.1.1) of the UniversalApplicationFramework. This vulnerability arises from insecure deserialization of untrusted data, allowing an unauthenticated attacker to execute arbitrary code on the underlying server by supplying specially crafted serialized objects to application endpoints that utilize the vulnerable deserialization module. Successful exploitation can lead to complete system compromise, data exfiltration, and denial of service.
1. IMMEDIATE ACTIONS
a. Incident Response Activation: Immediately activate your organization's incident response plan. Designate a response team and establish clear communication channels.
b. Identify Affected Systems: Conduct an urgent inventory scan to identify all applications and services that utilize UniversalApplicationFramework, specifically checking for the presence and version of the SecureObjectDeserializer component (versions 3.0.0 through 3.1.1). Prioritize internet-facing and mission-critical systems.
c. Network Isolation: For identified critical systems, consider temporary network isolation or restricting inbound connections to only trusted IP addresses. If complete isolation is not feasible, implement strict firewall rules to block access to known vulnerable endpoints or services.
d. Log Review: Scrutinize application, web server (e.g., Apache, Nginx, IIS), and system logs (e.g., security event logs, syslog) for any anomalous activity, including:
i. Unusual process spawning (e.g., cmd.exe, powershell.exe, bash, python) initiated by the application's user account.
ii. Outbound network connections from the application server to unknown or suspicious destinations.
iii. Large file transfers or modifications in unexpected directories.
iv. Error messages related to deserialization failures or unexpected object types.
e. Forensic Snapshot: If exploitation is suspected or confirmed, take forensic snapshots (memory dumps, disk images) of affected systems before applying any patches or making significant changes, to preserve evidence.
2. PATCH AND UPDATE INFORMATION
a. Vendor Patch Availability: The Universal Software Foundation has released a security patch addressing CVE-2026-112051. The vulnerability is resolved in SecureObjectDeserializer version 3.1.2 and later.
b. Update Procedure:
i. For applications using dependency management tools (e.g., Maven, Gradle, npm, pip, NuGet), update the SecureObjectDeserializer dependency to version 3.1.2 or higher in your project's build configuration files (e.g., pom.xml, build.gradle, package.json, requirements.txt, .csproj).
ii. Rebuild and redeploy all affected applications. Ensure that the updated dependency is correctly bundled and loaded.
iii. For applications that bundle the UniversalApplicationFramework or SecureObjectDeserializer directly, replace the vulnerable library files with the patched versions provided by the Universal Software Foundation.
c. Testing: Thoroughly test all updated applications in a staging environment before deploying to production to ensure functionality and stability are not adversely affected by the patch.
d. Rollback Plan: Prepare a rollback plan in case issues arise during the patching process.
3. MITIGATION STRATEGIES
a. Input Validation and Whitelisting: Implement strict input validation for all data intended for deserialization. Ideally, only deserialize data from trusted sources. If untrusted data must be deserialized, use a strict whitelisting approach for allowed classes and object types, rejecting anything not explicitly permitted.
b. Disable Deserialization of Untrusted Data: If possible, refactor applications to avoid deserializing untrusted or user-controlled input altogether. Consider using safer data formats like JSON or XML with schema validation, and parse them securely without relying on object deserialization.
c. Sandboxing and Least Privilege: