CVE-2026-29203

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Summary

CVECVE-2026-29203
StatePUBLISHED
Assignerhackerone
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-08 19:16:30 UTC
Updated2026-05-08 20:16:30 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from ADP

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

EPSS: 0.000420000 probability, percentile 0.129220000 (date 2026-05-11)

Problem Types: CWE-61 | CWE-61 CWE-61 UNIX Symbolic Link (Symlink) Following

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA WebPros CPanel affected 11.136.0.0 11.136.0.9 semver Not specified
CNA WebPros CPanel affected 11.134.0.0 11.134.0.25 semver Not specified
CNA WebPros CPanel affected 11.132.0.0 11.132.0.31 semver Not specified
CNA WebPros CPanel affected 11.130.0.0 11.130.0.22 semver Not specified
CNA WebPros CPanel affected 11.126.0.0 11.126.0.58 semver Not specified
CNA WebPros CPanel affected 11.124.0.0 11.124.0.37 semver Not specified
CNA WebPros CPanel affected 11.118.0.0 11.118.0.66 semver Not specified
CNA WebPros CPanel affected 11.110.0.0 11.110.0.116 semver Not specified
CNA WebPros CPanel affected 11.110.0.0 11.110.0.117 semver Not specified
CNA WebPros CPanel affected 11.102.0.0 11.102.0.41 semver Not specified
CNA WebPros CPanel affected 11.94.0.0 11.94.0.30 semver Not specified
CNA WebPros CPanel affected 11.86.0.0 11.86.0.43 semver Not specified
CNA WebPros CPanel CentOS 6 CloudLinux 6 affected 11.110.0.0 11.110.114 semver Not specified
CNA WebPros WP Squared affected 11.136.1.0 11.136.1.10 semver Not specified

References

ReferenceSourceLinkTags
support.cpanel.net/hc/en-us/articles/40311543760407-Security-CVE-2026-29203-cPan... [email protected] support.cpanel.net
CVE Program record CVE.ORG www.cve.org canonical
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