SQL injection in syslog-ng - CVE-2026-39879
Published: June 16, 2026
Vulnerability identifier: #VU134679
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-39879
CWE-ID: CWE-89
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform SQL injection.
The vulnerability exists due to improper neutralization of escape, meta, or control sequences in afsql_dd_run_query when processing data from an untrusted source in the SQL destination driver. A remote attacker can supply crafted input to perform SQL injection.
Only deployments with the SQL destination driver manually configured are vulnerable.
Affected software
syslog-ng
How to mitigate CVE-2026-39879
Install security update from vendor's website.
syslog-ng - update to 4.12.0