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.

Metrics

Attack Vector Network

Attack Complexity High

Privileges Required None

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction Required

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction Required

Access Vector Network

Access Complexity High

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Sscms
  • Sscms

No data.

No data.

References
Link Providers
https://github.com/siteserver/cms/issues/3898 cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-82486 cve-icon cve-icon
https://vuldb.com/submit/888366 cve-icon cve-icon
https://vuldb.com/vuln/397036 cve-icon cve-icon
https://vuldb.com/vuln/397036/cti cve-icon cve-icon
History

Mon, 31 Aug 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Sun, 30 Aug 2026 09:30:00 +0000

Type Values Removed Values Added
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.
Title SiteServer SSCMS Agent Installation Workflow access control
First Time appeared Sscms
Sscms sscms
Weaknesses CWE-266
CWE-284
CPEs cpe:2.3:a:sscms:sscms:*:*:*:*:*:*:*:*
Vendors & Products Sscms
Sscms sscms
References
Metrics cvssV2_0

{'score': 5.1, 'vector': 'AV:N/AC:H/Au:N/C:P/I:P/A:P/E:ND/RL:ND/RC:UR'}

cvssV3_0

{'score': 5, 'vector': 'CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R'}

cvssV3_1

{'score': 5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R'}

cvssV4_0

{'score': 2.3, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-08-30T09:15:06.954Z

Updated: 2026-08-31T17:05:02.947Z

Reserved: 2026-08-29T16:15:17.563Z

Link: CVE-2026-82486

cve-icon Vulnrichment

Updated: 2026-08-31T17:04:55.815Z

cve-icon NVD

Status : Deferred

Published: 2026-08-30T10:17:14.843

Modified: 2026-08-31T20:56:08.800

Link: CVE-2026-82486

cve-icon Redhat

No data.