CVE-2026-41873

** 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 v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://lists.apache.org/thread/1c7jtxjobh280kqc13fzw1cg57xrz951	Mailing List Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/04/28/17

Configurations

Configuration 1 (hide)

cpe:2.3:a:apache:pony_mail:*:*:*:*:*:*:*:*

History

28 Apr 2026, 22:16

Type	Values Removed	Values Added
References		() http://www.openwall.com/lists/oss-security/2026/04/28/17 -

28 Apr 2026, 18:37

Type	Values Removed	Values Added
References	~~() https://lists.apache.org/thread/1c7jtxjobh280kqc13fzw1cg57xrz951 -~~	() https://lists.apache.org/thread/1c7jtxjobh280kqc13fzw1cg57xrz951 - Mailing List, Vendor Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.8
CPE		cpe:2.3:a:apache:pony_mail::::::::
First Time		Apache pony Mail Apache

28 Apr 2026, 16:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-28 16:16

Updated : 2026-04-29 13:16

NVD link : CVE-2026-41873

Mitre link : CVE-2026-41873

CVE.ORG link : CVE-2026-41873

JSON object : View

Products Affected

apache

pony_mail

CWE

CWE-444

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

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