CVE-2026-28308 SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability
A domain administrator can exploit an IDOR flaw in SolarWinds Serv-U to achieve remote code execution.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-28308?
CVE-2026-28308 is a critical missing authorization vulnerability in Solarwinds Serv-U, published on 21 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
SolarWinds Serv-U is affected by an insecure direct object reference (IDOR) vulnerability that can lead to remote code execution. Domain administrator access is required. The impact is lower in Windows deployments.
Weakness: CWE-639
Which versions are affected by CVE-2026-28308?
It affects 1 product.
Products include Solarwinds Serv-U.
How do I fix CVE-2026-28308?
No fix has been published for CVE-2026-28308 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-28308 being exploited?
There is no known exploitation of CVE-2026-28308 in the wild and no public exploit code.
Other vulnerabilities in Solarwinds Serv-U
Sources
Also known as GHSA-hjp7-x3qv-vqf3.