CVE-2026-23929 Affecting zabbix package, versions <1:7.0.27+dfsg-1
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-18966259
- published19 Aug 2026
- disclosed18 Aug 2026
Introduced: 18 Aug 2026
NewCVE-2026-23929 (opens in a new tab)How to fix?
Upgrade Debian:unstable zabbix to version 1:7.0.27+dfsg-1 or higher.
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:unstable relevant fixed versions and status.
Prototype pollution vulnerability in searchParamsToObject() is leading to a persistent XSS in Maps. URL parameter processing was not filtering dangerous properties like proto, combined with jQuery's unsafe element creation that traversed the prototype chain.