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CVE-2026-26084

Quick assessment

Affected
Fortinet FortiSandbox PaaS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Fortinet FortiSandbox 5.0.0 至 5.0.5、4.4.0 至 4.4.8、FortiSandbox Cloud 5.0.4 至 5.0.5 以及 FortiSandbox PaaS 5.0.4 至 5.0.5 中存在一个不恰当的访问控制漏洞，可能允许攻击者通过构造的 HTTP 请求访问敏感信息。

CVSS 8.9 · Critical

Possible ATT&CK Techniques 1 AI

T1219 · Remote Access Tools

Affected Version Matrix 5

VendorProduct Version RangeStatus
Fortinet FortiSandbox 5.0.0≤ 5.0.5 affected
4.4.0≤ 4.4.8 affected
4.2.1≤ 4.2.8 affected
Fortinet FortiSandbox Cloud 5.0.4≤ 5.0.5 affected
Fortinet FortiSandbox PaaS 5.0.4≤ 5.0.5 affected
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I. Basic Information for CVE-2026-26084

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Fortinet FortiSandbox PaaS 5.0.4 ~ 5.0.5 cpe:2.3:a:fortinet:fortisandboxpaas:5.0.5:*:*:*:*:*:*:*
Fortinet FortiSandbox 5.0.0 ~ 5.0.5 cpe:2.3:a:fortinet:fortisandbox:5.0.5:*:*:*:*:*:*:*
Fortinet FortiSandbox Cloud 5.0.4 ~ 5.0.5 cpe:2.3:a:fortinet:fortisandboxcloud:5.0.5:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-26084

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III. Intelligence Information for CVE-2026-26084

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Vendor Advisories for CVE-2026-26084 (1)

Same Patch Batch · Fortinet · 2026-09-08 · 9 CVEs total

CVE-2026-84393 7.3 HIGH FortiOS 7.6.1-7.6.6证书主机不匹配漏洞
CVE-2026-84387 6.7 MEDIUM FortiSandbox 5.2.0 等版本命令注入漏洞
CVE-2026-84391 5.9 MEDIUM FortiAnalyzer 7.6.3-7.6.6 未初始化变量致拒绝服务
CVE-2026-84385 4.9 MEDIUM FortiSOAR 7.3-7.6 权限提升漏洞
CVE-2026-22575 4.7 MEDIUM FortiManager 7.x 访问控制缺陷
CVE-2026-84386 4.7 MEDIUM FortiClient Windows 7.4.0-7.4.7 未验证所有权
CVE-2026-84389 2.8 LOW FortiSIEM 7.4/7.5 开放重定向漏洞
CVE-2026-84392 2.5 LOW FortiOS/FortiPAM空指针解引用漏洞

IV. Related Vulnerabilities

Same product: FortiSandbox PaaS
Same vendor: Fortinet
Same weakness: CWE-284

V. Comments for CVE-2026-26084

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