CVE-2026-82486SiteServer SSCMS Agent Installation Workflow access control
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 5.0 MEDIUM (v3.1, CNA)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
- Weakness (CWE)
- CWE-284, CWE-266
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Aug 31, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
SiteServer SSCMS sscms:sscms | 7.4.0 | CNA record |
References
- https://vuldb.com/vuln/397036vdb-entry, technical-description
- https://vuldb.com/vuln/397036/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-82486third-party-advisory
- https://vuldb.com/submit/888366third-party-advisory
- https://github.com/siteserver/cms/issues/3898issue-tracking
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.