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CVE-2026-6787— Usage of a hard-coded cryptographic key in WatchGuard Agent allows inclusion of code into existing process

Quick assessment

Affected
WatchGuard WatchGuard Agent
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.

WatchGuard Agent是美国WatchGuard公司的一款终端安全防护与设备管理代理程序。 WatchGuard Agent 1.25.03.0000之前版本存在安全漏洞，该漏洞源于使用硬编码加密密钥，可能导致代码包含在现有进程中。

CVSS 8.5 · High EPSS 0.11% · P2

Possible ATT&CK Techniques 1 AI

T1055 · Process Injection

Affected Version Matrix 1

VendorProduct Version RangeStatus
WatchGuard WatchGuard Agent 1.0.0.0< 1.25.03.0000 affected
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I. Basic Information for CVE-2026-6787

Vulnerability Information
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Vulnerability Title
Usage of a hard-coded cryptographic key in WatchGuard Agent allows inclusion of code into existing process
Source: CVE Program / CVE List V5
Vulnerability Description
Use of Hard-coded Cryptographic Key vulnerability in WatchGuard Agent on Windows allows Inclusion of Code in Existing Process.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的密码学密钥
Source: CVE Program / CVE List V5
Vulnerability Title
WatchGuard Agent 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WatchGuard Agent是美国WatchGuard公司的一款终端安全防护与设备管理代理程序。 WatchGuard Agent 1.25.03.0000之前版本存在安全漏洞，该漏洞源于使用硬编码加密密钥，可能导致代码包含在现有进程中。
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

Vendor Product Affected Versions CPE Subscribe
WatchGuard WatchGuard Agent 1.0.0.0 ~ 1.25.03.0000 -

II. Public POCs for CVE-2026-6787

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III. Intelligence Information for CVE-2026-6787

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Vendor Advisories for CVE-2026-6787 (2)

Same Patch Batch · WatchGuard · 2026-05-06 · 5 CVEs total

CVE-2026-6788 8.5 HIGH Uncontrolled search path in PluginLauncher allows SYSTEM code execution in WatchGuard Agen
CVE-2026-41288 7.3 HIGH WatchGuard Agent on Windows Privilege Escalation Vulnerability
CVE-2026-41287 7.1 HIGH Stack-based Buffer Overflow in WatchGuard Agent Discovery Service on Windows Causes Denial
CVE-2026-41286 7.1 HIGH Stack-based Buffer Overflow in WatchGuard Agent Discovery Service on Windows Causes Denial

IV. Related Vulnerabilities

Same product: WatchGuard Agent
Same vendor: WatchGuard
Same weakness: CWE-321

V. Comments for CVE-2026-6787

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