Vulnerability · Published Sep 23, 2026 · Assigned by hackerone

CVE-2026-68490

High 8.2

In plain English

A high-severity incorrect permission assignment in cPanel from WebPros. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).

Severity (CVSS 4.0)8.2High

Exploit odds (30 days)0.1%top 97.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Incorrect permission assignment allows local users to obtain sensitive CalDAV/CardDAV information belonging to other accounts.

Affected products (as reported)

Vendor	Product	Versions
WebPros	cPanel	11.120.0.0 – before 11.134.0.5711.136.0.0 – before 11.136.0.4111.138.0.0 – before 11.138.0.8

Weakness: CWE-732 · Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N

References

https://support.cpanel.net/hc/en-us/articles/43502940099991