CVE-2026-28314: CWE-639 Authorization Bypass Through User-Controlled Key in SolarWinds Serv-U
SolarWinds Serv-U is affected by an insecure direct object reference vulnerability that leads to an account takeover. User authentication is required. The impact is lower in Windows deployments.
AI Analysis
Technical Summary
SolarWinds Serv-U contains a CWE-639 vulnerability involving authorization bypass through a user-controlled key. This insecure direct object reference flaw enables an authenticated attacker to take over accounts by circumventing access controls. The vulnerability affects Serv-U installations, with reduced impact on Windows platforms. No official patch or remediation guidance has been provided by the vendor at this time.
Potential Impact
Successful exploitation allows an authenticated user to bypass authorization mechanisms, resulting in complete account takeover. This compromises confidentiality, integrity, and availability of affected accounts. The impact is critical, but somewhat mitigated on Windows deployments where the effect is lower.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to trusted users only and monitor for suspicious activity related to account access. No vendor-provided mitigation or temporary fix is currently documented.
CVE-2026-28314: CWE-639 Authorization Bypass Through User-Controlled Key in SolarWinds Serv-U
Description
SolarWinds Serv-U is affected by an insecure direct object reference vulnerability that leads to an account takeover. User authentication is required. 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 a CWE-639 vulnerability involving authorization bypass through a user-controlled key. This insecure direct object reference flaw enables an authenticated attacker to take over accounts by circumventing access controls. The vulnerability affects Serv-U installations, with reduced impact on Windows platforms. No official patch or remediation guidance has been provided by the vendor at this time.
Potential Impact
Successful exploitation allows an authenticated user to bypass authorization mechanisms, resulting in complete account takeover. This compromises confidentiality, integrity, and availability of affected accounts. The impact is critical, but somewhat mitigated on Windows deployments where the effect is lower.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to trusted users only and monitor for suspicious activity related to account access. No vendor-provided mitigation or temporary fix is currently documented.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- SolarWinds
- Date Reserved
- 2026-02-26T14:28:17.158Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a5f96f22a4a8d59895fb2bd
Added to database: 07/21/2026, 15:57:38 UTC
Last enriched: 07/21/2026, 16:13:22 UTC
Last updated: 07/21/2026, 21:14:55 UTC
Views: 5
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