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CVE-2026-59839

CVSS 5.0 · Medium EPSS 0.21% · P11

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 18

VendorProductVersion RangeStatus
FortinetFortiOS7.6.0≤ 7.6.6affected
7.4.0≤ 7.4.9affected
7.2.0≤ 7.2.13affected
7.0.0≤ 7.0.19affected
6.4.0≤ 6.4.16affected
FortinetFortiPAM1.8.0affected
1.7.0≤ 1.7.2affected
1.6.0≤ 1.6.2affected
1.5.0≤ 1.5.1affected
1.4.0≤ 1.4.3affected
1.3.0≤ 1.3.1affected
1.2.0affected
1.1.0≤ 1.1.2affected
… +1 more rows
FortinetFortiProxy7.6.0≤ 7.6.5affected
7.4.0≤ 7.4.13affected
7.2.0≤ 7.2.16affected
7.0.0≤ 7.0.23affected
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I. Basic Information for CVE-2026-59839

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiOS 7.6.0 through 7.6.6, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions, FortiPAM 1.8.0, FortiPAM 1.7.0 through 1.7.2, FortiPAM 1.6 all versions, FortiPAM 1.5 all versions, FortiPAM 1.4 all versions, FortiPAM 1.3 all versions, FortiPAM 1.2 all versions, FortiPAM 1.1 all versions, FortiPAM 1.0 all versions, FortiProxy 7.6.0 through 7.6.5, FortiProxy 7.4 through 7.4.13, FortiProxy 7.2 all versions, FortiProxy 7.0 all versions may allow attacker to execute unauthorized code or commands via <insert attack vector here>
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Fortinet FortiOS 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fortinet fortios是美国Fortinet公司的一款安全操作系统。 Fortinet FortiOS存在路径遍历漏洞，该漏洞源于对路径名的限制不当（路径遍历），可能导致攻击者执行未经授权的代码或命令。以下版本受到影响：FortiOS 7.6.0至7.6.6版本、7.4.0至7.4.9版本、7.2全部版本、7.0全部版本、6.4全部版本；FortiPAM 1.8.0版本、1.7.0至1.7.2版本、1.6全部版本、1.5全部版本、1.4全部版本、1.3全部版本、1.2全部版本、1.1全部版本、1
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
FortinetFortiProxy 7.6.0 ~ 7.6.5 cpe:2.3:a:fortinet:fortiproxy:7.6.5:*:*:*:*:*:*:*
FortinetFortiOS 7.6.0 ~ 7.6.6 cpe:2.3:o:fortinet:fortios:7.6.6:*:*:*:*:*:*:*
FortinetFortiPAM 1.8.0 cpe:2.3:o:fortinet:fortipam:1.8.0:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-59839

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III. Intelligence Information for CVE-2026-59839

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Vendor Advisories for CVE-2026-59839 (1)

Same Patch Batch · Fortinet · 2026-07-14 · 11 CVEs total

CVE-2026-598357.7 HIGHFortinet FortiSandbox 权限许可和访问控制问题漏洞
CVE-2025-533797.0 HIGHFortinet FortiAuthenticator 缓冲区错误漏洞
CVE-2026-598416.9 MEDIUMFortinet FortiSIEMWindowsAgent 授权问题漏洞
CVE-2026-598366.7 MEDIUMFortinet FortiClientEMS 加密问题漏洞
CVE-2026-235736.1 MEDIUMFortinet FortiOS 跨站脚本漏洞
CVE-2026-598375.9 MEDIUMFortinet FortiOS 缓冲区错误漏洞
CVE-2026-598404.1 MEDIUMFortinet FortiOS 缓冲区错误漏洞
CVE-2025-438924.1 MEDIUMFortinet FortiOS 缓冲区错误漏洞
CVE-2025-626753.4 LOWFortinet FortiOS 输入验证错误漏洞
CVE-2025-628263.1 LOWFortinet FortiOS 输入验证错误漏洞

IV. Related Vulnerabilities

Same product: FortiProxy
Same vendor: Fortinet
Same weakness: CWE-22

V. Comments for CVE-2026-59839

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