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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploitation poc

Automatable yes

Technical Impact partial

Affected Vendors & Products

Vendors Products
Fatbobman
  • Mail-mcp-bridge

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References
Link Providers
https://github.com/fatbobman/mail-mcp-bridge/ cve-icon cve-icon
https://github.com/fatbobman/mail-mcp-bridge/commit/638b162b26532e32fa8d8047f638537dbdfe197a cve-icon cve-icon
https://github.com/fatbobman/mail-mcp-bridge/issues/2 cve-icon cve-icon
https://github.com/fatbobman/mail-mcp-bridge/releases/tag/1.3.4 cve-icon cve-icon
https://vuldb.com/submit/803096 cve-icon cve-icon
https://vuldb.com/vuln/360107 cve-icon cve-icon
https://vuldb.com/vuln/360107/cti cve-icon cve-icon
History

Thu, 30 Apr 2026 08:45:00 +0000

Type Values Removed Values Added
First Time appeared Fatbobman
Fatbobman mail-mcp-bridge
Vendors & Products Fatbobman
Fatbobman mail-mcp-bridge

Wed, 29 Apr 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 29 Apr 2026 15:30:00 +0000

Type Values Removed Values Added
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.
Title fatbobman mail-mcp-bridge mail_mcp_server.py path traversal
Weaknesses CWE-22
References
Metrics cvssV2_0

{'score': 7.5, 'vector': 'AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C'}

cvssV3_0

{'score': 7.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C'}

cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-04-29T15:32:11.201Z

Reserved: 2026-04-29T08:47:29.276Z

Link: CVE-2026-7386

cve-icon Vulnrichment

Updated: 2026-04-29T15:32:03.351Z

cve-icon NVD

Status : Deferred

Published: 2026-04-29T16:16:29.333

Modified: 2026-04-29T21:16:21.590

Link: CVE-2026-7386

cve-icon Redhat

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