Is CVE-2026-7386 actively exploited?

No active exploitation of CVE-2026-7386 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-7386 be exploited remotely?

Yes. CVE-2026-7386 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-7386?

CVE-2026-7386 has a CVSS score of 7.3 (HIGH).

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HIGH

CVE-2026-7386

CWE-22Published: April 29, 2026· Updated: Apr 29, 2026

7.3

CVSS v3.1

EPSS:0.05%probability of exploitation in 30 daysPercentile:15.8th

Official 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.

NVD Source

Technical Analysis

CVE-2026-7386 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.