CVE-2026-26084

criticalpriority · track · 0EPSS 0.004 · 33 %ileDENLRU

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.39% (33rd) EPSS

CVSS 9.9 · critical

Is it mine?

31 products

Check your exposure

Who says so?

3 sources

fstec_bdu · cert_bund · ncsc_nl

EPSS · scored 2026-10-27

A improper access control vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through 4.4.8, FortiSandbox Cloud 5.0.4 through 5.0.5, FortiSandbox PaaS 5.0.4 through 5.0.5 may allow attacker to access sensitive information via crafted HTTP requests.

cvss

Technical severity, 0–10. One row per scoring source.

9.9

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.9criticalAV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:Hsecondary · FSTEC (BDU) RU

v3.19.9criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:Hsecondary · psirt@fortinet.comexploitability 3.9 · impact 5.3

v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.19.9criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H/E:P/RL:O/RC:Csecondary · NCSC-NL NL

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-284USCWE-284US

affected products (31)

Products and version ranges known to be affected.

Fortinet FortiSandbox <4.4.9all versionscert_bundDE
Fortinet FortiSandbox <5.0.6all versionscert_bundDE
Fortinet FortiSandbox PaaS <5.0.6all versionscert_bundDE
Fortinet FortiSandbox cloud <5.0.6all versionscert_bundDE
Fortinet FortiSandbox≤ Cloud <5.0.6cert_bundDE
Fortinet FortiSandbox≤ PaaS <5.0.6cert_bundDE
Fortinet FortiSandbox< 4.4.9cert_bundDE
Fortinet FortiSandbox< 5.0.6cert_bundDE
Fortinet Inc. FortiSandbox4.2.1 → 4.2.9fstec_bduRU
Fortinet Inc. FortiSandbox4.4.0 → 4.4.9fstec_bduRU
Fortinet Inc. FortiSandbox5.0.0 → 5.0.6fstec_bduRU
Fortinet Inc. FortiSandbox Cloud5.0.4 → 5.0.6fstec_bduRU
Fortinet Inc. FortiSandbox PaaS5.0.4 → 5.0.6fstec_bduRU
Fortinet FortiAnalyzer≤ vers:unknown/*ncsc_nlNL
Fortinet FortiClientWindows≤ vers:unknown/*ncsc_nlNL
Fortinet FortiManager≤ vers:unknown/*ncsc_nlNL
Fortinet FortiManager Cloud≤ vers:unknown/*ncsc_nlNL
Fortinet FortiMonitor≤ vers:unknown/*ncsc_nlNL
Fortinet FortiMonitor OnSight≤ vers:unknown/*ncsc_nlNL
Fortinet FortiOS≤ vers:unknown/*ncsc_nlNL

showing 20 of 31

advisories (2)

Vendor and ecosystem advisories describing this.

NCSC-2026-0355Kwetsbaarheden verholpen in Fortinet Forti-productenNL2026-09-09csaf · ncsc_nlNL
Fortinet heeft kwetsbaarheden verholpen in FortiAnalyzer, FortiOS, FortiPAM, FortiProxy, FortiSandbox, FortiManager, FortiManager Cloud, FortiMonitorOnSight, FortiClient Windows, FortiSIEM en FortiSOAR.
WID-SEC-W-2026-3257Fortinet FortiSandbox: Mehrere SchwachstellenDeutsch2026-09-08csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Fortinet FortiSandbox ausnutzen, um Informationen offenzulegen oder Code auszuführen.

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

fstec_bdu cert_bund ncsc_nl NVD CVE.org MITRE

published 2026-09-08modified 2026-09-14

references (1) nvd

External citations — patches, advisories, analysis.

https://fortiguard.fortinet.com/psirt/FG-IR-26-166

scry

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