THREATOPS

THREAT OPS › Threat News › [NVD] CVE-2026-23921 (HIGH 8.8) — 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

[NVD] CVE-2026-23921 (HIGH 8.8) — 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

lownvdPublished 2026-03-24

CVE-2026-23921 CVSS: 8.8 HIGH Published: 2026-03-24T19:16:50.563

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, potential

Indicators of compromise

CVE-2026-23921cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-23921