CVE-2026-28302: CWE-639 Authorization Bypass Through User-Controlled Key in SolarWinds Serv-U
SolarWinds Serv-U is affected by an insecure direct object reference (IDOR) vulnerability that can lead to privilege escalation and remote code execution as root. This issue requires group administrator access. The impact is lower in Windows deployments.
AI Analysis
Technical Summary
SolarWinds Serv-U contains an authorization bypass vulnerability (CWE-639) due to insecure direct object references. This flaw enables an attacker with group administrator privileges to escalate their privileges and execute code remotely with root-level access. The vulnerability affects Serv-U installations but has a reduced impact on Windows platforms. No specific affected versions or patch information is provided, and no known exploits are reported in the wild.
Potential Impact
Successful exploitation can lead to full system compromise with root privileges, including remote code execution. The vulnerability requires group administrator access, limiting the initial attack surface. The impact is lower on Windows deployments, suggesting platform-specific differences in exploitability or privilege model.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or workaround is provided, organizations should monitor SolarWinds advisories for updates. Restrict group administrator access to trusted personnel and consider additional access controls until a patch is available.
CVE-2026-28302: CWE-639 Authorization Bypass Through User-Controlled Key in SolarWinds Serv-U
Description
SolarWinds Serv-U is affected by an insecure direct object reference (IDOR) vulnerability that can lead to privilege escalation and remote code execution as root. This issue requires group administrator access. The impact is lower in Windows deployments.
CVSS v3.1
Score 9.1critical
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
SolarWinds Serv-U contains an authorization bypass vulnerability (CWE-639) due to insecure direct object references. This flaw enables an attacker with group administrator privileges to escalate their privileges and execute code remotely with root-level access. The vulnerability affects Serv-U installations but has a reduced impact on Windows platforms. No specific affected versions or patch information is provided, and no known exploits are reported in the wild.
Potential Impact
Successful exploitation can lead to full system compromise with root privileges, including remote code execution. The vulnerability requires group administrator access, limiting the initial attack surface. The impact is lower on Windows deployments, suggesting platform-specific differences in exploitability or privilege model.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or workaround is provided, organizations should monitor SolarWinds advisories for updates. Restrict group administrator access to trusted personnel and consider additional access controls until a patch is available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- SolarWinds
- Date Reserved
- 2026-02-26T14:15:09.403Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a5f96f02a4a8d59895fb22f
Added to database: 07/21/2026, 15:57:36 UTC
Last enriched: 07/30/2026, 03:49:54 UTC
Last updated: 08/30/2026, 10:52:08 UTC
Views: 58
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