SQL injection in Asterisk Open Source and Certified Asterisk - CVE-2026-57190
Published: June 26, 2026
Vulnerability identifier: #VU135536
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-57190
CWE-ID: CWE-89
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Digium (Linux Support Services)
Affected software:
Asterisk Open Source
Certified Asterisk
Asterisk Open Source
Certified Asterisk
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary SQL commands.
The vulnerability exists due to SQL injection in the CELGenUserEvent eventtype field in the cel_pgsql and cel_tds Channel Event Log backends when processing untrusted event data. A remote user can supply a crafted eventtype value to execute arbitrary SQL commands.
The issue is exposed only when the cel_pgsql or cel_tds backend is loaded and configured and the dialplan uses the CELGenUserEvent application.
How to mitigate CVE-2026-57190
Install security update from vendor's website.