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CVE-2026-10703

6.3 · MEDIUM

A security vulnerability has been detected in EIPStackGroup OpENer up to 2.3.0.

Published Jun 3, 2026CWE-119EPSS 0.24%

Overview

CVE-2026-10703 is a medium-severity vulnerability. It was published on June 3, 2026 and has a CVSS 3.1 base score of 6.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

A security vulnerability has been detected in EIPStackGroup OpENer up to 2.3.0. Affected is the function CreateMessageRouterRequestStructure of the file cipmessagerouter.c of the component SendRRData Handler. The manipulation leads to use after free. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/EIPStackGroup/OpENer/GitHubgithub.com/EIPStackGroup/OpENer/issues/566GitHubgithub.com/user-attachments/files/27100961/poc.zipRefvuldb.com/cve/CVE-2026-10703Refvuldb.com/submit/830921Refvuldb.com/vuln/368016Refvuldb.com/vuln/368016/cti

How CyberStrike helps

Frequently asked questions

What is CVE-2026-10703?

CVE-2026-10703 is a medium-severity vulnerability. It was published on June 3, 2026 and has a CVSS 3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2026-10703?

This vulnerability has a CVSS 3.1 base score of 6.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-10703?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-10703?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-10703 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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