Vulnerability details

CVE-2026-39879

syslog-ng syslog-ng

SQL injection in syslog-ng SQL destionation driver

CVSS 3.1

7.1High

Official 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

CVSS scores

Score	Version	Source	Vector
7.1High	3.1	CVEProject cvelistV5 (CNA) (GitHub_M)	`CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H`

Affected products

Vendor	Product	Versions	Source
syslog-ng	syslog-ng	< 4.12	CVEProject cvelistV5 (CNA)

References and advisories

https://github.com/syslog-ng/syslog-ng/security/advisories/GHSA-qwf9-6222-m24m x_refsource_CONFIRM

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Details

Published: 2026-07-20
Last updated: 2026-07-21
State: Published
Assigner (CNA): GitHub_M

Exploit prediction (EPSS)

0.27%

Probability of exploitation in 30 days

19.2%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: None
Technical impact: Partial

Weaknesses (CWE)

CWE-150
Improper Neutralization of Escape, Meta, or Control Sequences