DNA View

Critical Severity Vulnerability

This vulnerability has been rated as Critical severity. Immediate action is recommended.

CVE-2026-41873

Critical

Low Medium High Critical

9.8

CVSS Score

Published: Apr 28, 2026

Last Modified: Apr 28, 2026

CWE: CWE-444

Vulnerability Description

** UNSUPPORTED WHEN ASSIGNED ** Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in Pony Mail leading to admin account takeover.

This issue affects all versions of the Lua implementation of Pony Mail. There is a Python implementation under development under the name "Pony Mail Foal" that is not affected by this issue, but hasn't been released yet.

As the Lua implementation of this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative or restrict access to the instance to trusted users.

NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

CVSS Metrics

Common Vulnerability Scoring System

Vector String:

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

References & Resources

Severity Details

9.8

out of 10.0

Critical

Weakness Type (CWE)

CWE-444

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

Description: The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that…
Typical Severity: Medium
Abstraction Level: Base