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VulnerabilityPublished

CVE-2026-105476: WebPros cPanel · Link Following

Affects WebPros cPanelSource CVE Database V5

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Not known to be exploited · CVSS 8.8 High · fixed in 11.138.0.19 : patch WebPros cPanel soon.

Data as of 2 Nov 2026, 21:43 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CISA-ADPCVSS 3.18.8
CISA SSVC
Exploitation
No evidence of active exploitation and no public proof of concept
Automatable
Attackers cannot reliably automate steps 1–4 of the kill chain
Technical impact
Total control over the software or total information disclosure

CISA SSVC assessment, 2026-11-02.

Patch
Available – fixed in 11.138.0.19, 11.136.0.51, 11.134.0.67 +1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 2 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2 Nov 2026.

What to do

Upgrade cPanel and cpanel/cpanel to 11.138.0.19, 11.136.0.51, 11.134.0.67 or 11.110.0.154.

Affected software

ProductAffectedFixed in
WebProscPanelAffected
  • <11.138.0.19
Fixed in
  • 11.138.0.19
WebProscPanelAffected
  • <11.136.0.51
Fixed in
  • 11.136.0.51
WebProscPanelAffected
  • <11.134.0.67
Fixed in
  • 11.134.0.67
WebProscPanelAffected
  • <11.110.0.154
Fixed in
  • 11.110.0.154
Cpanelcpanel/cpanelpkg:rpm/cpanel/cpanelOther threatsAffected
  • <11.138.0.19
  • <11.136.0.51
  • <11.134.0.67
  • <11.110.0.154
Fixed in
  • 11.138.0.19
  • 11.136.0.51
  • 11.134.0.67
  • 11.110.0.154

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Apply the official patches by upgrading to cPanel versions 11.138.0.19, 11.136.0.51, 11.134.0.67, or 11.110.0.154 or later. These versions contain fixes for the improper link resolution vulnerability. No other mitigation or temporary workaround is indicated in the available data.

Description

CVE-2026-105476 is a high-severity vulnerability in WebPros cPanel involving improper link resolution before file access. This flaw allows remote authenticated users to write arbitrary files owned by root, leading to privilege escalation. The issue affects multiple versions of cPanel prior to fixed releases. A fix is available in versions 11.138.0.19, 11.136.0.51, 11.134.0.67, and 11.110.0.154.

References

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