Insecure Direct Object Reference Vulnerability in SolarWinds Serv-U
CVE-2026-28313

4.7MEDIUM

Key Information:

Vendor

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

What is CVE-2026-28313?

SolarWinds Serv-U contains an insecure direct object reference vulnerability that may allow attackers to exploit SMTP functionality, potentially leading to unauthorized account takeover. This risk is particularly relevant, although the impact may be reduced in Windows-based deployments. Users are advised to review their configurations and apply any necessary updates to ensure their systems remain secure.

Affected Version(s)

Serv-U Windows 15.5.4 HF1 and below

References

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

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
.