Fortinet patches multiple products across suite
ANSSI advisory details multiple vulnerabilities across Fortinet products including FortiOS, FortiSIEM, and FortiAuthenticator that could allow code execution and privilege escalation.
Sourcecert.ssi.gouv.fr — open the original
What to check
- Applies to
- The 12 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.
The French cybersecurity agency ANSSI (CERT-FR) issued an advisory covering multiple vulnerabilities discovered across a wide range of Fortinet products, including FortiAuthenticator, FortiClientEMS, FortiOS, FortiPAM, FortiProxy, FortiSandbox, FortiSIEM, and FortiSIEMWindowsAgent. The vulnerabilities span several impact categories including arbitrary code execution, privilege escalation, data confidentiality breaches, data integrity compromise, security policy bypass, and indirect remote code injection (XSS).
Eleven CVEs are referenced in the advisory, corresponding to eleven separate Fortinet PSIRT bulletins (FG-IR-26-145 through FG-IR-26-155) published on 14 July 2026. Affected versions span multiple product lines and version branches, indicating broad exposure across Fortinet's security and infrastructure product portfolio. No indication of active exploitation is provided in this advisory; it is a vendor patch notification distributed via ANSSI's standard vulnerability bulletin process.
Organizations running any of the listed Fortinet products should consult the referenced FortiGuard PSIRT bulletins and apply the vendor-supplied patches to remediate the listed CVEs. Given Fortinet products' common use as network security and access-control infrastructure, timely patching is recommended to prevent potential compromise of critical security control points.
Mentioned in this report
Source reporting: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0879
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