7.1
HIGH CVSS 3.1
CVE-2026-39879
SQL injection in syslog-ng SQL destionation driver
Description

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

INFO

Published Date :

July 20, 2026, 5:17 p.m.

Last Modified :

July 20, 2026, 5:17 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-39879 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
Solution
Update syslog-ng to a fixed version to prevent SQL injection vulnerabilities.
  • Update syslog-ng to version 4.12 or later.
  • Upgrade to syslog-ng Premium Edition 8.2 or later.
  • Install syslog-ng Store Box 7.8 or later.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-39879.

URL Resource
https://github.com/syslog-ng/syslog-ng/security/advisories/GHSA-qwf9-6222-m24m
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-39879 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-39879 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-39879 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Jul. 20, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'syslog-ng', 'product': 'syslog-ng', 'versions': [{'status': 'affected', 'version': '< 4.12'}]}]
    Added Description 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
    Added CVSS V3.1 AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
    Added CWE CWE-150
    Added Reference https://github.com/syslog-ng/syslog-ng/security/advisories/GHSA-qwf9-6222-m24m
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.