Vulnerability DatabaseCVE-2026-39879
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CVE-2026-39879
Published:July 20, 2026
Updated:August 06, 2026
Due to a missing sanitization call in ""afsql_dd_run_query"" (https://github.com/syslog-ng/syslog-ng/blob/649e6e18e3459fb4467000a88dfb12fa97f9719c/modules/afsql/afsql.c#L219), syslog-ng before 4.12 are vulnerable to SQL injection from an untrusted source. This is not part of the default configuration, the SQL driver has to be manually configured. Fixes are in syslog-ng 4.12, syslog-ng Premium Edition 8.2 and syslog-ng Store Box 7.8
Affected Packages
https://github.com/syslog-ng/syslog-ng.git (GITHUB):
Affected version(s) >=syslog-ng-4.0.0 <syslog-ng-4.12.0
Fix Suggestion:
Update to version syslog-ng-4.12.0
Additional Notes
The description of this vulnerability differs from MITRE.
Related Resources (3)
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/39xxx/CVE-2026-39879.json
https://github.com/syslog-ng/syslog-ng/security/advisories/GHSA-qwf9-6222-m24m
https://nvd.nist.gov/vuln/detail/CVE-2026-39879
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CVSS v4
Base Score:
7.1
Attack Vector
ADJACENT
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.1
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
HIGH
Weakness Type (CWE)
Improper Neutralization of Escape, Meta, or Control Sequences
CWE-150
EPSS
Base Score:
0.17