CVE-2026-23931 The advisory has been revoked - it doesn't affect any version of package zabbix (opens in a new tab)
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-DEBIANUNSTABLE-ZABBIX-18966233
- published19 Aug 2026
- disclosed18 Aug 2026
Introduced: 18 Aug 2026
NewCVE-2026-23931 (opens in a new tab)Amendment
The Debian security team deemed this advisory irrelevant for Debian:unstable.
NVD Description
Note: Versions mentioned in the description apply only to the upstream zabbix package and not the zabbix package as distributed by Debian.
The frontend validatate.api.exists action can be exploited by authenticated users to extract plaintext user macro values leading to potential loss of confidentiality.