Vulnerability · Published Apr 29, 2026 · Assigned by VulDB
CVE-2026-7386fatbobman mail-mcp-bridge mail_mcp_server.py path traversal
High 7.3
In plain English
A high-severity path traversal in mail-mcp-bridge from fatbobman. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities).
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| fatbobman | mail-mcp-bridge | 1.3.01.3.11.3.21.3.3 |
Weakness: CWE-22 · 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
References
- VDB-360107 | fatbobman mail-mcp-bridge mail_mcp_server.py path traversal vdb-entry, technical-description
- VDB-360107 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #803096 | fatbobman mail-mcp-bridge d9e7d9acc2abcf9da8252d76506fc5afbc08d08e Path Traversal third-party-advisory
- https://github.com/fatbobman/mail-mcp-bridge/issues/2 exploit, issue-tracking
- https://github.com/fatbobman/mail-mcp-bridge/commit/638b162b26532e32fa8d8047f638537dbdfe197a patch
- https://github.com/fatbobman/mail-mcp-bridge/releases/tag/1.3.4 patch
- https://github.com/fatbobman/mail-mcp-bridge/ product