CVE-2026-82486
SiteServer SSCMS Agent Installation Workflow access control
- State
- Published
- Severity
- 2.3 Low
- Published
- Aug 30, 2026
- Updated
- Aug 31, 2026
- Reserved
- Aug 29, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 2.3 Low | 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 | VulDB |
| 3.1 | 5.0 Medium | 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 | VulDB |
| 3.0 | 5.0 Medium | 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 | VulDB |
| 2.0 | 5.1 Medium | AV:N/AC:H/Au:N/C:P/I:P/A:P/E:ND/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
SSCMSSiteServer |
|
References
- VDB-397036 | SiteServer SSCMS Agent Installation Workflow access controlvdb-entrytechnical-description
- VDB-397036 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- CVE-2026-82486 | CVE Analysis and Reportthird-party-advisory
- Submit #888366 | SSCMS 7.4.0 Improper Access Controlsthird-party-advisory
- https://github.com/siteserver/cms/issues/3898issue-tracking
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