SB2026073067 - Interpretation Conflict in Hestia Control Panel
Published: July 30, 2026
Security Bulletin ID
SB2026073067
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Interpretation Conflict (CVE-ID: N/A)
CWE-ID: CWE-436 - Interpretation Conflict
CVSSv4: 9.3 [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]
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to interpretation conflict in the web terminal session parser when processing shared session files containing attacker-controlled header data. A remote attacker can send a specially crafted X-Forwarded-For header to execute arbitrary code.
Exploitation is possible only when the web terminal is enabled.
Remediation
Install update from vendor's website.