# CERT-FR Warns of Zabbix Data Exposure Flaw

Published: 2026-10-14 · Severity: elevated · Sectors: Technology · Not tied to an actor or CVE
Canonical: https://vorant.io/reports/8ff5d041-f6bd-5db8-a42f-1697d271ea28/cert-fr-warns-of-zabbix-data-exposure-flaw
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> A confidentiality vulnerability in multiple Zabbix versions allows attackers to access sensitive data; patches are available.

Source: cert.ssi.gouv.fr — https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-1309

## What to check

- Applies to: Not tied to a specific actor, malware or CVE, only to the sectors it covers, so it may be general reporting. Check the source before acting on it. Whether it concerns you is not assessed.

CERT-FR issued an advisory regarding a vulnerability in Zabbix, an open-source monitoring platform widely used for IT infrastructure, network, and application monitoring. The flaw affects multiple release branches including 6.0.x prior to 6.0.49rc1, 7.0.x prior to 7.0.32rc1, 7.4.x prior to 7.4.16rc1, 8.0.x prior to 8.0.1rc1, and 8.2.x prior to 8.2.0alpha1. Exploitation of the vulnerability could allow an attacker to compromise the confidentiality of data handled by affected Zabbix instances.

No technical details on the exploitation mechanism, proof-of-concept availability, or in-the-wild exploitation were provided in this advisory. Defenders operating Zabbix should consult the vendor's security bulletin (ZBX-28169, published 14 October 2026) for patch details and apply updates to the fixed versions listed above as soon as feasible, particularly for internet-facing or sensitive monitoring deployments.

Source reporting: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-1309

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