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CVE-2026-82486— SiteServer SSCMS Agent Installation Workflow access control

Quick assessment

Affected
SiteServer SSCMS
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.

在 SiteServer SSCMS 7.4.0 中发现一个漏洞。受影响的是该组件“Agent 安装工作流”中的某些未知功能。对参数 SecurityKey 的操纵会导致访问控制不当（improper access controls）。该漏洞可被远程利用，但攻击复杂度较高，且实际利用难度较大。项目方已通过问题报告提前获知此问题，但截至目前尚未做出回应。

CVSS 5.0 · Medium
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I. Basic Information for CVE-2026-82486

Vulnerability Information
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Vulnerability Title
SiteServer SSCMS Agent Installation Workflow access control
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in SiteServer SSCMS 7.4.0. Affected by this issue is some unknown functionality of the component Agent Installation Workflow. Performing a manipulation of the argument SecurityKey results in improper access controls. Remote exploitation of the attack is possible. The attack is considered to have high complexity. The exploitation is known to be difficult. The project was informed of the problem early through an issue report but has not responded yet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
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
SiteServer SSCMS 7.4.0 cpe:2.3:a:sscms:sscms:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-82486

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III. Intelligence Information for CVE-2026-82486

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Proof of Concept for CVE-2026-82486 (1)

News Coverage for CVE-2026-82486 (1)

Other References for CVE-2026-82486 (2)

IV. Related Vulnerabilities

Same product: SSCMS
Same vendor: SiteServer
Same weakness: CWE-284

V. Comments for CVE-2026-82486

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