CVE-2026-29203
📛 CVE Title
CVE-2026-29203
Description
A chmod call in the cPanel Nova plugin's Cpanel::Nova::Connector follows symlinks, allowing setting root permissions on arbitrary system files or directories. That can cause DoS or local privilege escalation when an authenticated cPanel user places a symlink at a user-controlled legacy Nova path under their home directory.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- hackerone
- CVSS severity
- MEDIUM
- CVSS score
- 5.3 / 10
- CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N- Effective score
- 5.3 / 10 MEDIUM source: CNA overview
- CWE(s)
-
CWE-61 - Reserved
- 2026-03-04
- Published
- 2026-05-08 20:51 UTC
- Last updated
- 2026-05-15 19:14 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/29xxx/CVE-2026-29203.json
- Linked Threat
- CVE-2026-29203 — CVE-2026-29203
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 2026-05-08 19:16:30 UTC
- NVD last modified
- 2026-05-15 18:16:14 UTC
- NVD CVSS v3.1
- 8.8 / 10 HIGH source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
- NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- Exploitability subscore
- 2.8 / 10
- Impact subscore
- 5.9 / 10
- EPSS score
- 0.0005 (probability of exploitation in next 30 days)
- EPSS percentile
- 14.21% vs all CVEs — higher = more likely to be exploited, as of 2026-05-25
NVD / KEV / EPSS data refreshed 2026-05-25 17:17 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2026-28812 - Assigner
- hackerone
- Published
- May 8, 2026, 6:51:05 PM
- Updated
- May 15, 2026, 5:14:52 PM
- EUVD base score (CVSS 4.0)
-
5.3 / 10
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N - EUVD-reported EPSS
- 0.0500
- Vendors
- WebPros
- Products
-
cPanel (0 <11.110.0.117)WP Squared (11.136.1.0 <11.136.1.10)cPanel (11.118.0.0 <11.118.0.66)cPanel (11.136.0.0 <11.136.0.9)WP Squared (0 <11.136.1.11)cPanel (0 <11.126.0.58)cPanel (0 <11.102.0.41)cPanel (0 <11.134.0.25)cPanel (11.94.0.0 <11.94.0.30)cPanel (0 <11.130.0.22)cPanel (11.126.0.0 <11.126.0.58)cPanel (0 <11.86.0.43)cPanel (0 <11.110.0.116)cPanel (0 <11.124.0.37)cPanel (0 <11.94.0.30)cPanel (11.86.0.0 <11.86.0.43)cPanel (0 <11.118.0.66)cPanel (11.132.0.0 <11.132.0.31)cPanel (11.110.0.0 <11.110.0.116)cPanel (11.130.0.0 <11.130.0.22)cPanel (11.124.0.0 <11.124.0.37)cPanel (CloudLinux 6, CentOS 6) (11.110.0.0 <11.110.0.116)cPanel (0 <11.136.0.9)cPanel (0 <11.132.0.31)cPanel (11.102.0.0 <11.102.0.41)cPanel (CentOS 6, CloudLinux 6) (11.110.0.0 <11.110.114)cPanel (11.134.0.0 <11.134.0.25)cPanel (11.110.0.0 <11.110.0.117)cPanel (CloudLinux 6, CentOS 6) (0 <11.110.116)
ENISA description: A chmod call in the cPanel Nova plugin's Cpanel::Nova::Connector follows symlinks, allowing setting root permissions on arbitrary system files or directories. That can cause DoS or local privilege escalation when an authenticated cPanel user places a symlink at a user-controlled legacy Nova path under their home directory.
Affected products (3)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| WebPros | cPanel |
11.136.0.0 (affected),
11.134.0.0 (affected),
11.132.0.0 (affected),
11.130.0.0 (affected),
11.126.0.0 (affected),
11.124.0.0 (affected),
11.118.0.0 (affected),
11.110.0.0 (affected),
11.102.0.0 (affected),
11.94.0.0 (affected),
11.86.0.0 (affected)
|
— |
| WebPros | cPanel (CloudLinux 6, CentOS 6) |
11.110.0.0 (affected)
|
— |
| WebPros | WP Squared |
11.136.1.0 (affected)
|
— |
Vendor references (1)
References embedded in the original CVE record by the assigning CNA.
MITRE references (1) cveawg.mitre.org
Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.
Web references (5)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
- https://nvd.nist.gov/vuln/detail/CVE-2026-29203 tenable:nvd.nist.gov
- https://securityaffairs.com/191931/security/new-cpanel-vulnerabilities-could-allow-file-access-and-remote-code-execution.html tenable:securityaffairs.com
- https://thehackernews.com/2026/05/cpanel-whm-patch-3-new-vulnerabilities.html tenable:thehackernews.com
- https://www.cve.org/CVERecord?id=CVE-2026-29203 tenable:www.cve.org
- https://www.first.org/epss/ tenable:www.first.org
NVD-tagged references (1)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
Remediations (16)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:blog.mddhosting.com
cPanel released a coordinated security update today, May 8, 2026 , addressing three separate vulnerabilities in cPanel & WHM. We received advance notice of the patch yesterday evening, monitored for its release at noon EDT, and applied it across our fleet as soon as it became available. This post summarizes what cPanel disclosed, when the patch … Continue reading "cPanel & WHM Security Update ...
2026-05-23 21:04 UTC -
web:cybersecuritynews.com
Microsoft has released its April 2026 Patch Tuesday security update, addressing 168 vulnerabilities across its product portfolio including one actively exploited zero-day and one publicly disclosed flaw that organizations must prioritize immediately.
2026-05-23 21:04 UTC -
web:integsec.com
Meta Description: CVE-2026-29203 affects cPanel & WHM and can expose business systems to privilege abuse, service disruption, and urgent remediation needs.
2026-05-23 21:04 UTC -
web:msrc.microsoft.com
Security Update Guide - Microsoft Security Response Center
2026-05-23 21:04 UTC -
web:www.bleepingcomputer.com
Today is Microsoft's April 2026 Patch Tuesday with security updates for 167 flaws, including 2 zero-day vulnerabilities.
2026-05-23 21:04 UTC -
web:www.crowdstrike.com
Microsoft's April 2026 Patch Tuesday addresses 164 CVEs , featuring 8 Critical vulnerabilities, one exploited zero-day, and one disclosed zero-day.
2026-05-23 21:04 UTC -
web:www.malwarebytes.com
This month's Patch Tuesday addresses 167 vulnerabilities, including two zero-days that could lead to system compromise, data exposure, and privilege escalation.
2026-05-23 21:04 UTC -
web:www.oracle.com
Oracle Critical Patch Update Advisory - April 2026 Description A Critical Patch Update is a collection of patches for multiple security vulnerabilities. These patches address vulnerabilities in Oracle code and in third party components included in Oracle products. These patches are usually cumulative, but each advisory describes only the security patches added since the previous Critical Patch ...
2026-05-23 21:04 UTC -
web:www.tenable.com
Microsoft patched 163 CVEs in April including two zero-day vulnerabilities in SharePoint and Microsoft Defender. CVE - 2026 -32201 was exploited in the wild.
2026-05-23 21:04 UTC -
web:zecurit.com
Get the complete breakdown of Microsoft's May 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .
2026-05-23 21:04 UTC -
web:cyberpress.org
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added two actively exploited Microsoft Defender vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, issuing an urgent remediation directive for federal agencies with a due date of June 3, 2026 .
2026-05-26 02:48 UTC -
web:cybersecuritynews.com
Microsoft released its March 2026 Patch Tuesday security update on March 10, 2026 , addressing 78 vulnerabilities across Windows, Microsoft Office, Azure, SQL Server, and .NET. The update includes one actively exploited zero-day vulnerability and multiple Critical-rated flaws demanding immediate attention from security teams. The most urgent fix this month is CVE - 2026 -21262, the sole zero-day ...
2026-05-26 02:48 UTC -
web:msrc.microsoft.com
The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information here as part of the ongoing effort to help you manage security risks and help keep your systems protected.
2026-05-26 02:48 UTC -
web:www.bleepingcomputer.com
Today is Microsoft's March 2026 Patch Tuesday with security updates for 79 flaws, including 2 publicly disclosed zero-day vulnerabilities.
2026-05-26 02:48 UTC -
web:www.cisecurity.org
<p>Multiple vulnerabilities have been discovered in Microsoft products, the most severe of which could allow for remote code execution. Successful exploitation of the most severe of these vulnerabilities could result in an attacker gaining the same privileges as the logged-on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or ...
2026-05-26 02:48 UTC -
web:www.techrepublic.com
Microsoft's March Patch Tuesday fixes 78 vulnerabilities, including Office preview pane flaws, an Excel Copilot data leak risk, and an AI-discovered 9.8 severity bug.
2026-05-26 02:48 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2026-29203.json.
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