Insecure Deserialization in WebITR with Hard-Coded Key

Executive Summary

CVE-2026-113404 is an Insecure Deserialization vulnerability in WebITR, an attendance system by Uniong. Authenticated remote attackers can exploit a hard-coded cryptographic key to craft malicious serialized data, which executes arbitrary code on the server.

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Detection Guidance

Detecting insecure deserialization vulnerabilities typically involves checking for unusual serialized data patterns or hard-coded cryptographic keys in the application. Inspect WebITR logs for serialized input anomalies or server responses indicating code execution. Use network monitoring tools to detect unexpected outbound connections from the server. Check for the presence of hard-coded keys in configuration files or application binaries.

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Impact Analysis

This vulnerability allows attackers to execute arbitrary code on the server, potentially leading to data breaches, system compromise, or unauthorized access. It requires authentication but can be exploited remotely.

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Compliance Impact

This vulnerability can severely impact compliance with GDPR and HIPAA due to its potential to allow unauthorized code execution on servers. GDPR requires protection of personal data integrity and confidentiality, which this flaw compromises. HIPAA mandates safeguards for protected health information, which could be exposed or altered through arbitrary code execution.

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Mitigation Strategies

Immediately upgrade WebITR to version 2_1_0_36 or later to address the insecure deserialization flaw. Ensure all instances of the software are updated to prevent exploitation. Review and restrict access to the application to minimize attack surface. Monitor network traffic for signs of exploitation attempts targeting this vulnerability.

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