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Vendor advisorySeverity 9.4 critical
Arbitrary file write in grpc phQueryMaster
FG-IR-26-180 · Fortinet · October 13, 2026
Summary
No summary from the source. Read the linked document.
What to do
FortiSIEM 7.6: Not Applicable
FortiSIEM 7.5: Upgrade to 7.5.1 or above
Vendor fix or mitigation, quoted from the advisory.
Each CVE in this advisory
| CVE | Severity | Known exploited | Exploit likelihood |
|---|---|---|---|
| CVE-2026-106173 | 9.4 critical | No | 1.0% |
Severity from the advisory (CVSS), known exploitation from CISA's catalog, exploit likelihood from EPSS (next 30 days).
Why it's on these mode pages
- Maritime: Vendor table: Fortinet (network and remote-access gear used in every mode, all modes) (matched by rule)
- Pipeline: Vendor table: Fortinet (network and remote-access gear used in every mode, all modes) (matched by rule)
- Freight rail: Vendor table: Fortinet (network and remote-access gear used in every mode, all modes) (matched by rule)
- Passenger rail and transit: Vendor table: Fortinet (network and remote-access gear used in every mode, all modes) (matched by rule)
- Highway and motor carrier: Vendor table: Fortinet (network and remote-access gear used in every mode, all modes) (matched by rule)
- Postal and parcel: Vendor table: Fortinet (network and remote-access gear used in every mode, all modes) (matched by rule)
Change history
- October 13, 2026: Initial Publication
- October 13, 2026: Initial Publication
- November 9, 2026: First collected by Watch
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