CVE-2026-58047
Received Received - Intake

HTTP Smuggling in cPanel Leads to Credential Leak

Publication date: 2026-07-31

Last updated on: 2026-07-31

Assigner: HackerOne

Description
HTTP Smuggling in cPanel allows potential leak of credentials.

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Meta Information

Published
2026-07-31
Last Modified
2026-07-31
Generated
2026-07-31
AI Q&A
2026-07-31
EPSS Evaluated
N/A
NVD
CVE-2026-58047
EUVD
EUVD-2026-51572

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-444 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 are consistent with how the messages will be processed by those entities that are at the ultimate destination.

Attack-Flow Graph

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Executive Summary

HTTP Smuggling in cPanel may allow an attacker to potentially leak user credentials by manipulating HTTP requests.

Impact Analysis

This vulnerability could lead to unauthorized access to sensitive information, including user credentials, if exploited by an attacker.

Mitigation Strategies

Update cPanel to the latest patched version immediately to address the HTTP smuggling vulnerability. Disable any unnecessary HTTP proxy services until patched. Monitor network traffic for unusual patterns indicating smuggling attempts.

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