SQL injection in Asterisk Open Source and Certified Asterisk - CVE-2026-57190
Published: June 26, 2026
Vulnerability identifier: #VU135536
CSH Severity: Low
CVSS v4: 7.2 [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]
CVE-ID: CVE-2026-57190
CWE-ID: CWE-89
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Asterisk Open Source
Certified Asterisk
Certified Asterisk
How to mitigate CVE-2026-57190
Install security update from vendor's website.
Asterisk Open Source - addressed in versions 20.20.1, 21.12.3, 22.10.1, 23.4.1
Certified Asterisk - addressed in versions 20.7-cert11, 22.8-cert3
Certified Asterisk - addressed in versions 20.7-cert11, 22.8-cert3