Vulnerability-Lookup

BDU:2026-06279 (CVE-2026-41940)

Vulnerability from fstec – Published: 2026-05-04 – Updated: 2026-05-18 – View on bdu.fstec.ru Exploit publicly available Yes Fixed

Title

Уязвимость веб-хостинга cPanel, панели администрирования WebHost Manager и панели управления хостингом WordPress Squared, связанная с отсутствием аутентификации для критичной функции, позволяющая нарушителю обойти существующие механизмы безопасности и выполнить произвольный код

Summary

Уязвимость веб-хостинга cPanel, панели администрирования WebHost Manager и панели управления хостингом WordPress Squared связана с отсутствием аутентификации для критичной функции. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, обойти существующие механизмы безопасности и выполнить произвольный код

Severity

10.0 (High) CVSS 2.0


                      
                        AV:N/AC:L/Au:N/C:C/I:C/A:C

9.8 (Critical) CVSS 3.1


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

Class

Architecture vulnerability

Status

Confirmed by the vendor

Exploitation

Authentication bypass

Incidents

Yes

Remediation

Software update

CWE

CWE-306 - Отсутствие аутентификации для критичной функции

Aliases

CVE-2026-41940

References

5 references

URL
https://support.cpanel.net/hc/en-us/articles/40073787579671-Security-CVE-2026-4…
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-41940
https://github.com/watchtowrlabs/watchTowr-vs-cPanel-WHM-AuthBypass-to-RCE.py
https://www.cisa.gov/sites/default/files/csv/known_exploited_vulnerabilities.csv
https://labs.watchtowr.com/the-internet-is-falling-down-falling-down-falling-do…

Impacted products

3 products from 1 vendor

Vendors

cPanel Inc.

Products

cPanel, WebHost Manager, WordPress Squared

Versions

до 11.86.0.41 (cPanel), до 11.110.0.97 (cPanel), до 11.118.0.63 (cPanel), до 11.124.0.35 (cPanel), до 11.126.0.54 (cPanel), до 11.130.0.19 (cPanel), до 11.132.0.29 (cPanel), до 11.134.0.20 (cPanel), до 11.136.0.5 (cPanel), до 11.86.0.41 (WebHost Manager), до 11.110.0.97 (WebHost Manager), до 11.118.0.63 (WebHost Manager), до 11.124.0.35 (WebHost Manager), до 11.126.0.54 (WebHost Manager), до 11.130.0.19 (WebHost Manager), до 11.132.0.29 (WebHost Manager), до 11.134.0.20 (WebHost Manager), до 11.136.0.5 (WebHost Manager), до 136.1.7 (WordPress Squared)

Product types

Application software

Mitigations

Использование рекомендаций производителя: https://support.cpanel.net/hc/en-us/articles/40073787579671-Security-CVE-2026-41940-cPanel-WHM-WP2-Security-Update-04-28-2026

JSON

To clipboard

{
  "CVSS 2.0": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
  "CVSS 3.0": "AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "CVSS 4.0": null,
  "remediation_\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": null,
  "remediation_\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435": null,
  "\u0412\u0435\u043d\u0434\u043e\u0440 \u041f\u041e": "cPanel Inc.",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "\u0434\u043e 11.86.0.41 (cPanel), \u0434\u043e 11.110.0.97 (cPanel), \u0434\u043e 11.118.0.63 (cPanel), \u0434\u043e 11.124.0.35 (cPanel), \u0434\u043e 11.126.0.54 (cPanel), \u0434\u043e 11.130.0.19 (cPanel), \u0434\u043e 11.132.0.29 (cPanel), \u0434\u043e 11.134.0.20 (cPanel), \u0434\u043e 11.136.0.5 (cPanel), \u0434\u043e 11.86.0.41 (WebHost Manager), \u0434\u043e 11.110.0.97 (WebHost Manager), \u0434\u043e 11.118.0.63 (WebHost Manager), \u0434\u043e 11.124.0.35 (WebHost Manager), \u0434\u043e 11.126.0.54 (WebHost Manager), \u0434\u043e 11.130.0.19 (WebHost Manager), \u0434\u043e 11.132.0.29 (WebHost Manager), \u0434\u043e 11.134.0.20 (WebHost Manager), \u0434\u043e 11.136.0.5 (WebHost Manager), \u0434\u043e 136.1.7 (WordPress Squared)",
  "\u0412\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u043c\u0435\u0440\u044b \u043f\u043e \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044e": "\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f:\nhttps://support.cpanel.net/hc/en-us/articles/40073787579671-Security-CVE-2026-41940-cPanel-WHM-WP2-Security-Update-04-28-2026",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "29.04.2026",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "18.05.2026",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "04.05.2026",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2026-06279",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "CVE-2026-41940",
  "\u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430",
  "\u041a\u043b\u0430\u0441\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b",
  "\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u041f\u041e": "cPanel, WebHost Manager, WordPress Squared",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u041e\u0421 \u0438 \u0442\u0438\u043f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b": null,
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432\u0435\u0431-\u0445\u043e\u0441\u0442\u0438\u043d\u0433\u0430 cPanel, \u043f\u0430\u043d\u0435\u043b\u0438 \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f WebHost Manager \u0438 \u043f\u0430\u043d\u0435\u043b\u0438 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0445\u043e\u0441\u0442\u0438\u043d\u0433\u043e\u043c WordPress Squared, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u0430\u044f \u0441 \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0435\u043c \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u0434\u043b\u044f \u043a\u0440\u0438\u0442\u0438\u0447\u043d\u043e\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u0438, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u043e\u0431\u043e\u0439\u0442\u0438 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0435 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u044b \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0439 \u043a\u043e\u0434",
  "\u041d\u0430\u043b\u0438\u0447\u0438\u0435 \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430": "\u0421\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442 \u0432 \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u043c \u0434\u043e\u0441\u0442\u0443\u043f\u0435",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "\u041e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0435 \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u0434\u043b\u044f \u043a\u0440\u0438\u0442\u0438\u0447\u043d\u043e\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 (CWE-306)",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432\u0435\u0431-\u0445\u043e\u0441\u0442\u0438\u043d\u0433\u0430 cPanel, \u043f\u0430\u043d\u0435\u043b\u0438 \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f WebHost Manager \u0438 \u043f\u0430\u043d\u0435\u043b\u0438 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0445\u043e\u0441\u0442\u0438\u043d\u0433\u043e\u043c WordPress Squared \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0435\u043c \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u0434\u043b\u044f \u043a\u0440\u0438\u0442\u0438\u0447\u043d\u043e\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u0438. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u043c\u0443 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u043e, \u043e\u0431\u043e\u0439\u0442\u0438 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0435 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u044b \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0439 \u043a\u043e\u0434",
  "\u041f\u043e\u0441\u043b\u0435\u0434\u0441\u0442\u0432\u0438\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": null,
  "\u041f\u0440\u043e\u0447\u0430\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f": null,
  "\u0421\u0432\u044f\u0437\u044c \u0441 \u0438\u043d\u0446\u0438\u0434\u0435\u043d\u0442\u0430\u043c\u0438 \u0418\u0411": "\u0414\u0430",
  "\u0421\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f": "\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438": "\u041d\u0430\u0440\u0443\u0448\u0435\u043d\u0438\u0435 \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438",
  "\u0421\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438": "https://support.cpanel.net/hc/en-us/articles/40073787579671-Security-CVE-2026-41940-cPanel-WHM-WP2-Security-Update-04-28-2026\nhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-41940\nhttps://github.com/watchtowrlabs/watchTowr-vs-cPanel-WHM-AuthBypass-to-RCE.py\nhttps://www.cisa.gov/sites/default/files/csv/known_exploited_vulnerabilities.csv\nhttps://labs.watchtowr.com/the-internet-is-falling-down-falling-down-falling-down-cpanel-whm-authentication-bypass-cve-2026-41940/",
  "\u0421\u0442\u0430\u0442\u0443\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c",
  "\u0422\u0438\u043f \u041f\u041e": "\u041f\u0440\u0438\u043a\u043b\u0430\u0434\u043d\u043e\u0435 \u041f\u041e \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c",
  "\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-306",
  "\u0423\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 2.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 10)\n\u041a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 3.1 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 9,8)"
}

CVE-2026-41940 (GCVE-0-2026-41940)

Vulnerability from cvelistv5 – Published: 2026-04-29 15:10 – Updated: 2026-08-11 03:55

Title

WebPros cPanel and WHM Authentication Bypass via Login Flow

Summary

cPanel and WHM versions after 11.40 contain an authentication bypass vulnerability in the login flow that allows unauthenticated remote attackers to gain unauthorized access to the control panel.

Severity

9.3 (Critical)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

9.8 (Critical)


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

SSVC

Exploitation: active Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-04-29 00:00 UTC

CWE

CWE-306 - Missing Authentication for Critical Function

Assigner

VulnCheck mitre root

References

9 references

URL	Tags
https://support.cpanel.net/hc/en-us/articles/4007…	vendor-advisorypatch
https://docs.cpanel.net/release-notes/release-notes	release-notes
https://docs.wpsquared.com/changelogs/versions/ch…	release-notes
https://www.namecheap.com/status-updates/ongoing-…	third-party-advisory
https://www.vulncheck.com/advisories/cpanel-and-w…	third-party-advisory
https://github.com/watchtowrlabs/watchTowr-vs-cPa…	exploit
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource
https://www.bleepingcomputer.com/news/security/cr…
https://labs.watchtowr.com/the-internet-is-fallin…

Impacted products

3 products

Vendor	Product	Version
WebPros	cPanel	Affected: 11.40.0.0 , < 11.86.0.41 (custom) Affected: 11.88.0.0 , < 11.94.0.28 (custom) Affected: 11.96.0.0 , < 11.102.0.39 (custom) Affected: 11.104.0.0 , < 11.110.0.97 (custom) Affected: 11.112.0.0 , < 11.118.0.63 (custom) Affected: 11.120.0.0 , < 11.124.0.35 (custom) Affected: 11.126.0.0 , < 11.126.0.54 (custom) Affected: 11.128.0.0 , < 11.130.0.19 (custom) Affected: 11.132.0.0 , < 11.132.0.29 (custom) Affected: 11.134.0.0 , < 11.134.0.20 (custom) Affected: 11.136.0.0 , < 11.136.0.5 (custom)
WebPros	WP Squared	Unaffected: 11.136.1.7 (custom)
WebPros	WHM	Affected: 11.40.0.0 , < 11.86.0.41 (custom) Affected: 11.88.0.0 , < 11.94.0.28 (custom) Affected: 11.96.0.0 , < 11.102.0.39 (custom) Affected: 11.104.0.0 , < 11.110.0.97 (custom) Affected: 11.112.0.0 , < 11.118.0.63 (custom) Affected: 11.120.0.0 , < 11.124.0.35 (custom) Affected: 11.126.0.0 , < 11.126.0.54 (custom) Affected: 11.128.0.0 , < 11.130.0.19 (custom) Affected: 11.132.0.0 , < 11.132.0.29 (custom) Affected: 11.134.0.0 , < 11.134.0.20 (custom) Affected: 11.136.0.0 , < 11.136.0.5 (custom)

Date Public

2026-04-28 00:00

Show details on NVD website

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.