Insecure Direct Object Reference in SolarWinds Serv-U
CVE-2026-28305

4.7MEDIUM

Key Information:

Vendor

Solarwinds
Status
Serv-u
Vendor
CVE Published:
21 July 2026

What is CVE-2026-28305?

The SolarWinds Serv-U software is vulnerable to an insecure direct object reference (IDOR), allowing unauthorized users to gain access to sensitive system functions. This vulnerability can potentially enable remote code execution with root privileges, provided that a domain account with admin rights and appropriate read/write access to the home directory is exploited. It is noteworthy that the impact of this vulnerability is notably reduced in Windows environments.

Affected Version(s)

Serv-U Windows 15.5.4 HF1 and below

References

https://www.solarwinds.com/trust-center/security-advisori...
vendor-advisory
https://documentation.solarwinds.com/en/success_center/se...

CVSS V3.1

Score:
4.7
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Intigriti Bug Bounty Program
.