CVE-2026-23921 Affecting zabbix package, versions *
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN12-ZABBIX-15806095
- published29 Mar 2026
- disclosed24 Mar 2026
Introduced: 24 Mar 2026
CVE-2026-23921 (opens in a new tab)How to fix?
There is no fixed version for Debian:12 zabbix.
NVD Description
Note: Versions mentioned in the description apply only to the upstream zabbix package and not the zabbix package as distributed by Debian.
See How to fix? for Debian:12 relevant fixed versions and status.
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.