CVE-2026-58047

Potential Credential Exposure via HTTP Request Smuggling in cPanel

Published Jul 31, 2026 CVSS 4.0 · 5.6 Medium EPSS < 1% KEV · Not listed

Description

HTTP Smuggling in cPanel allows potential leak of credentials.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

WebPros

cPanel

unaffected

Version	Status	Constraints
`0`	affected	< 11.110.0.137
`0`	affected	< 11.126.0.78
`0`	affected	< 11.134.0.48
`0`	affected	< 11.136.0.32
`0`	affected	< 11.137.9999.99
`0`	affected	< 11.118.0.71

WebPros

WP Squared

unaffected

Version	Status	Constraints
`0`	affected	< 11.138.1.6

No data.

Vendor Product Versions

Webpros

Cpanel

Version	Status	Scheme	Platform
`[11.110.0.137,11.110.0.137)`	affected	generic	—
`[11.126.0.78,11.126.0.78)`	affected	generic	—
`[11.134.0.48,11.134.0.48)`	affected	generic	—
`[11.136.0.32,11.136.0.32)`	affected	generic	—
`[11.137.9999.99,11.137.9999.99)`	affected	generic	—
`[11.118.0.71,11.118.0.71)`	affected	generic	—

Webpros

Wp Squared

Version	Status	Scheme	Platform
`[11.138.1.6,11.138.1.6)`	affected	generic	—

Remediation

No solution or workaround provided in the CVE record

Tracking

Advisories

No advisories available

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements Present

User Interaction Passive

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact High

Subsequent System Integrity Impact High

Subsequent System Availability Impact Low

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.519% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://docs.cpanel.net/changelogs/138-change-log
https://support.cpanel.net/hc/en-us/articles/42285024734743-Security-CVE-2026-58047-HTTP-Request-Smuggling

History

Aug 2, 2026 4:30 AM Title updated View changes

Type	Values Removed	Values Added
Title		Potential Credential Exposure via HTTP Request Smuggling in cPanel

Jul 31, 2026 7:15 PM First appearance in the feed. Affected vendors updated View changes

Type	Values Removed	Values Added
First Time appeared		Webpros Webpros cpanel Webpros wp Squared
Vendors & Products		Webpros Webpros cpanel Webpros wp Squared

Jul 31, 2026 6:30 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Jul 31, 2026 5:00 PM Description updated. Weaknesses updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		HTTP Smuggling in cPanel allows potential leak of credentials.
Weaknesses		CWE-444
References		https://docs.cpanel.net/changelogs/138-change-log https://support.cpanel.net/hc/en-us/articles/42285024734743-Security-CVE-2026-58047-HTTP-Request-Smuggling
Metrics		cvssV4_0 `{'score': 5.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:H/SI:H/SA:L'}`