Is there a public PoC exploit available for CVE-2026-7386?

Yes, a public proof-of-concept exploit is available for CVE-2026-7386. Prioritise patching immediately. EPSS: 0.1%.

Is there a patch available for CVE-2026-7386?

Yes, a patch is available for CVE-2026-7386. Update the affected software to the latest version immediately.

Mail Mcp Bridge CVE-2026-7386

Q: What is the CVSS score of CVE-2026-7386?

CVE-2026-7386 has a CVSS 4.0 base score of 5.5 (Medium). CVSS 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/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. EPSS exploitation probability: 0.1%.

EUVD-2026-26250 MEDIUM

Path Traversal (CWE-22)

2026-04-29 VulDB

Path Traversal Mail Mcp Bridge

5.5

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

PoC Detected

Apr 29, 2026 - 21:16 vuln.today

Public exploit code

Severity Changed

Apr 29, 2026 - 16:22 NVD

HIGH MEDIUM

CVSS changed

Apr 29, 2026 - 16:22 NVD

7.3 (HIGH) 5.5 (MEDIUM)

EUVD ID Assigned

Apr 29, 2026 - 15:30 euvd

EUVD-2026-26250

Patch released

Apr 29, 2026 - 15:30 nvd

Patch available

CVE Published

Apr 29, 2026 - 15:00 nvd

MEDIUM 5.5

DescriptionCVE.org

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.