CVE-2026-82486: Improper Access Controls in SiteServer SSCMS
Description
CVE-2026-82486 is a vulnerability in SiteServer SSCMS version 7.4.0 involving improper access controls in the Agent Installation Workflow component. Manipulating the SecurityKey argument can lead to unauthorized access. Remote exploitation is possible but considered difficult due to high attack complexity. No patch or official remediation has been provided yet, and no known exploits are reported in the wild. The CVSS score is low, reflecting limited impact and difficulty of exploitation.
CVSS v4.0
Score 2.3low
Affected software
SiteServer
SSCMS
cpe:2.3:a:sscms:sscms:*:*:*:*:*:*:*:*AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects SiteServer SSCMS 7.4.0 in an unspecified part of the Agent Installation Workflow component. It arises from improper access controls triggered by manipulation of the SecurityKey argument. Remote attackers could exploit this flaw, but the attack requires high complexity and user interaction, resulting in a low CVSS score of 2.3. The vendor has not responded with a fix or advisory, and no exploits are currently known in the wild.
Potential Impact
The impact is limited due to the high complexity of the attack and the low CVSS score. Exploitation could potentially allow unauthorized access via the Agent Installation Workflow, but the exact consequences are not detailed. No evidence of active exploitation exists.
Mitigation Recommendations
No official fix or remediation guidance is currently available from the vendor. Patch status is not yet confirmed—check the vendor advisory for current remediation guidance. Due to the lack of vendor response, monitoring for updates is recommended.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-08-29T16:15:17.563Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a940de9acd9273b49726991
Added to database: 08/30/2026, 11:03:05 UTC
Last enriched: 09/07/2026, 15:35:23 UTC
Last updated: 10/15/2026, 18:48:24 UTC
Views: 87
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