CVE-2026-7386

April 29, 2026, 9:16 p.m.

5.5
Medium

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.

Product(s) Impacted

Vendor Product Versions
Fatbobman
  • Mail-mcp-bridge
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-22
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a fatbobman mail-mcp-bridge / / / / / / / /

References

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

Tags

CWE-22
[email protected]
2026-04-29
CVE-2026-7386

CVSS Score

5.5 / 10

CVSS Data - 4.0

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Attack Requirements: NONE
  • Privileges Required: NONE
  • User Interaction: NONE
  • Scope:
  • Confidentiality Impact: LOW
  • Integrity Impact: LOW
  • Availability Impact: LOW
  • Exploit Maturity: PROOF_OF_CONCEPT

    • 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

    View Vector String

Timeline

Published: April 29, 2026, 4:16 p.m.
Last Modified: April 29, 2026, 9:16 p.m.

Status : Deferred

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.