September 28, 2026

CVE Watchtower

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CVE-2026-23921NVD

Vulnerability Summary

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.
Severity Level
UNKNOWN
Published Date
Mar 24, 2026
Last Modified
Mar 26, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.03%Probability
Root Weakness (CWE)
CWE-89: SQL Injection ↗
Improper neutralization of special elements used in an SQL command, allowing attackers to modify queries.
CVSS v4.0 Base Metrics — Score 8.7 (HIGH)
Attack VectorNetwork
Attack ComplexityLow
Attack RequirementsNone
Privileges RequiredLow
User InteractionNone
Confidentiality (Vulnerable System)High
Integrity (Vulnerable System)High
Availability (Vulnerable System)High
Confidentiality (Subsequent System)None
Integrity (Subsequent System)None
Availability (Subsequent System)None

Affected & Patched Versions

Affected Versions
  • Zabbix Zabbix >= 7.0.0 and <= 7.0.21
  • Zabbix Zabbix >= 7.2.0 and <= 7.2.14
  • Zabbix Zabbix >= 7.4.0 and <= 7.4.5
Patched Versions
  • Zabbix Zabbix 7.0.21
  • Zabbix Zabbix 7.2.14
  • Zabbix Zabbix 7.4.5
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🚫Ad-Free — Uninterrupted experience.
🎁7-Day Free Trial — Try Pro or Team, no card required.
📧Email Delivery — Threat intel straight to your inbox.
♾️Unlimited Vendors — Track your entire stack.
🚨All New CVEs — Be the first to know.
📈EPSS Spike Alerts — Catch rising risk before it peaks.
🎯Custom EPSS/CVSS — Filter noise, focus on risk.
🛡️Exploit Intel — A 2nd confirmed-exploit signal beyond KEV.
🐙GitHub Issues — Auto-tracked, no duplicates.
📬Weekly Digest — One clean summary, not inbox spam.
🏷️Watchlist Groups — Tag alerts by team (Infra/AppSec/SOC).
💬Webhooks — Slack & Teams integration.
🔀Smart Routing — Critical alerts to one channel, rest to another.
🚫Ad-Free — Uninterrupted experience.

External References