CVE-2026-23921
High
Description
A low privilege Zabbix user with API access can exploit a blind SQL injection vulnerability in include/classes/api/CApiService.php to execute arbitrary SQL selects via the sortfield parameter. Although query results are not returned directly, an attacker can exfiltrate arbitrary database data through time-based techniques, potentially leading to session identifier disclosure and administrator account compromise.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Zabbix
PublishedMar 24, 2026
First seenMar 24, 2026
Weakness typeCWE-89SQL injection
How to fix
Update
- zabbix zabbix7.0.22, 7.2.15, 7.4.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| zabbix zabbix | 7.0.0 ≤ v < 7.0.22, 7.2.0 ≤ v < 7.2.15, 7.4.0 ≤ v < 7.4.6 | 7.0.22, 7.2.15, 7.4.6 |
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