CVE-2026-7386

fatbobman mail-mcp-bridge mail_mcp_server.py path traversal

CVSS 6.9 MEDIUMEPSS 0.4%CWE-22

Vexday Risk Score

33Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

Exploit maturity

Proof of concept

Public proof of concept exists, but not yet automated.

CVSS 6.9EPSS 0.4%KEV nãoPoC públicaNuclei —Metasploit —Patch referenciado

Lifecycle

29 Apr 2026Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

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.

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

Affected products

fatbobman · mail-mcp-bridge

public PoCs found — 1

cve_referencegithub.com/fatbobman/mail-mcp-bridge/issues/2unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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