CERT-FR Flags Elastic Cloud Enterprise Flaws
CERT-FR advisory details multiple vulnerabilities in Elastic Cloud Enterprise allowing privilege escalation and data confidentiality/integrity breaches; patches available.
Sourcecert.cyber.gouv.fr — open the original
What to check
- Applies to
- The 7 CVEs named below. Whether you run an affected version is not assessed: check the versions the source lists.
- Exploitation
- No exploitation in the wild and no public exploit is recorded for the CVEs named.
CERT-FR has published an advisory covering multiple vulnerabilities in Elastic Cloud Enterprise (ECE), affecting versions 4.x prior to 4.2.1 and all versions prior to 3.8.6. The vulnerabilities, tracked under seven CVE identifiers, could allow an attacker to achieve privilege escalation, compromise data confidentiality, and compromise data integrity, as well as potentially bypass security policies. The advisory references seven separate Elastic security bulletins (ESA-2026-211, 212, 215, 216, 218, 221, and 222), each published October 29, 2026, indicating the issues stem from distinct flaws rather than a single root cause.
No evidence of active exploitation in the wild is mentioned in the advisory. CERT-FR's recommended remediation is to apply the vendor's patches by upgrading to Elastic Cloud Enterprise 4.2.1 or 3.8.6, as referenced in Elastic's own security bulletins. Defenders operating ECE deployments should prioritize patching given the privilege escalation and confidentiality/integrity impact, particularly in multi-tenant or cloud-hosted Elasticsearch management environments where ECE orchestrates cluster provisioning and access control.
As this is a vulnerability disclosure and patch advisory rather than a campaign report, the primary action for defenders is to inventory ECE instances, confirm version status, and apply the referenced updates promptly. No specific technical details, exploit code, or affected sectors are disclosed in the advisory itself.
Mentioned in this report
Source reporting: https://www.cert.cyber.gouv.fr/avis/CERTFR-2026-AVI-1419
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