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CVE-2026-30290: High Vulnerability in InTouch Contacts & Caller ID APP

CVE-2026-30290 describes a high-severity arbitrary file overwrite vulnerability in InTouch Contacts & Caller ID APP v6.38.1. This flaw allows attackers to overwrite critical internal files, potentially leading to arbitrary code execution or information exposure. Organizations are urged to address this issue promptly to mitigate risks.

HIGHCVSS 8.4 · Published March 31, 2026

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CVE-2026-30290 is a high-severity vulnerability that affects the InTouch Contacts & Caller ID APP version 6.38.1. This vulnerability allows attackers to overwrite critical internal files via the file import process. The consequences of this flaw include potential arbitrary code execution and exposure of sensitive information. Given the nature of the vulnerability, it poses a significant risk to affected systems.

The CVSS score for this vulnerability is 8.4, indicating a high-severity classification. This score is attributed to the ease with which an attacker can exploit the vulnerability, requiring no privileges or user interaction. The attack vector is local, which means that an attacker must have local access to the vulnerable system to exploit the flaw.

Organizations using the InTouch Contacts & Caller ID APP should prioritize addressing this vulnerability. The risk to organizations includes unauthorized access to sensitive information and potential disruption of services. Given the current threat landscape, it is crucial to take immediate action to mitigate this vulnerability.

As of the last update, there are no known public exploits available for this vulnerability, but the potential for exploitation remains a concern. Organizations are advised to monitor for any updates or patches related to this vulnerability.

Vulnerability Details

The vulnerability is classified as an arbitrary file overwrite vulnerability, specifically falling under CWE-22. The affected product is the InTouch Contacts & Caller ID APP, version 6.38.1. The official CVE description states that it allows attackers to overwrite critical internal files via the file import process, leading to arbitrary code execution or information exposure.

The CVSS 3.1 vector string for this vulnerability is CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, indicating a high impact on confidentiality, integrity, and availability. The vulnerability was published on March 31, 2026, and has been analyzed for potential risks. Organizations should be aware of the implications of this vulnerability and take appropriate action.

Technical Analysis

The root cause of CVE-2026-30290 is a failure to properly validate the file import process within the InTouch Contacts & Caller ID APP. Attackers can exploit this vulnerability by supplying specially crafted files during the import process, which allows them to overwrite critical files on the system.

The attack vector for this vulnerability is local, meaning the attacker must have local access to the device running the application. The attack complexity is low, as it does not require any special privileges or user interaction. The confidentiality, integrity, and availability impacts are all rated high, indicating that an attacker can significantly affect the system.

Risk & Impact Analysis

The real-world deployment risk associated with CVE-2026-30290 is significant due to the potential for arbitrary code execution and information exposure. Organizations using the affected version of the InTouch Contacts & Caller ID APP need to understand that the blast radius could include sensitive internal files, putting user data and organizational integrity at risk.

Organizations should assess their exposure to this vulnerability and prioritize patching as part of their security management strategy. The urgency is high, given the potential impacts on confidentiality, integrity, and availability.

Exploitation Status

Signal

Status

Known Exploit

No

Public PoC

No

Actively Exploited

No

Ransomware Use

No

Affected Versions

The only affected version is InTouch Contacts & Caller ID APP v6.38.1. Organizations using this version should take immediate action to mitigate the risks associated with this vulnerability.

Mitigation & Remediation

Organizations should patch the InTouch Contacts & Caller ID APP to the latest version as soon as it becomes available. If a patch is not yet available, organizations should consider implementing workarounds such as restricting file import functionalities until a fix is applied. Configuration hardening should also be considered to minimize the risk of exploitation.

For further assistance, organizations can engage in penetration testing services to identify similar weaknesses and validate remediation efforts.

Detection Guidance

Organizations should monitor logs for any indicators of unauthorized file access or modifications. Behavioral anomalies in the application should be logged and reviewed to detect potential exploitation attempts. Network signatures that may indicate file import vulnerabilities should also be analyzed.

AppSecure Threat Intelligence Insight

CVE-2026-30290 highlights the importance of secure coding practices in application development. The pattern of vulnerabilities related to file handling continues to pose risks, emphasizing the need for rigorous testing and validation of input files in applications. Organizations should continuously evaluate their security posture, ensuring that all software components are regularly updated and assessed for vulnerabilities.

For insights on improving application security, organizations can refer to our application security assessment guide. Furthermore, understanding the trends in vulnerability exposure can aid in proactive risk management; our report on vulnerability exposure severity trends provides valuable insights.

Lastly, for organizations looking to enhance their security testing capabilities, consider our penetration testing methodology resource.

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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