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CVE-2026-7386

7.3 · HIGH

A flaw has been found in fatbobman mail-mcp-bridge up to 1.3.3.

Published Apr 29, 2026CWE-22EPSS 0.62%

Overview

CVE-2026-7386 is a high-severity vulnerability. It was published on April 29, 2026 and has a CVSS 3.1 base score of 7.3 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A flaw has been found in fatbobman mail-mcp-bridge up to 1.3.3. Affected is an unknown function of the file src/mail_mcp_server.py. Executing a manipulation of the argument message_ids can lead to path traversal. The attack can be executed remotely. The exploit has been published and may be used. Upgrading to version 1.3.4 is able to address this issue. This patch is called 638b162b26532e32fa8d8047f638537dbdfe197a. Upgrading the affected component is recommended.

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/fatbobman/mail-mcp-bridge/GitHubgithub.com/fatbobman/mail-mcp-bridge/commit/638b162b26532e32fa8d8047f638537dbdfe197aGitHubgithub.com/fatbobman/mail-mcp-bridge/issues/2GitHubgithub.com/fatbobman/mail-mcp-bridge/releases/tag/1.3.4Refvuldb.com/submit/803096Refvuldb.com/vuln/360107Refvuldb.com/vuln/360107/cti

How CyberStrike helps

Frequently asked questions

What is CVE-2026-7386?

CVE-2026-7386 is a high-severity vulnerability. It was published on April 29, 2026 and has a CVSS 3.1 base score of 7.3 (HIGH).

How severe is CVE-2026-7386?

This vulnerability has a CVSS 3.1 base score of 7.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-7386?

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-2026-7386?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-7386 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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