CVE-2026-7386

fatbobman mail-mcp-bridge mail_mcp_server.py path traversal

HIGH
7.3
CVSS Score
Published: April 29, 2026 at 03:00 PM UTC
Updated: October 26, 2026 at 08:10 PM UTC
1 product affected across 1 vendorMail Mcp Bridge

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Severity
HIGH7.3
Exploit prediction
EPSS 0.4%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Vendor states this is fixed in 1.3.4 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (7)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/360107
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/360107/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/803096
ExploitIssue Tracking
Source: cverecord
https://github.com/fatbobman/mail-mcp-bridge/issues/2

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.3HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-22

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