SB2026100225 - Missing Authorization in Hub
Published: October 2, 2026
Security Bulletin ID
SB2026100225
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Missing Authorization (CVE-ID: CVE-2026-100266)
CWE-ID: CWE-862 - Missing Authorization
CVSSv4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote user to send arbitrary emails from the server's trusted address.
The vulnerability exists due to missing authorization in Hub when sending emails. A remote user can send arbitrary emails from the server's trusted address to send arbitrary emails from the server's trusted address.
Remediation
Install update from vendor's website.