CVE-2026-28309
CRITICALCVSS 9.1/10EPSS 0.34%
Last modified
CVE-2026-28309 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. SolarWinds Serv-U is affected by a broken access control vulnerability that allows a domain administrator to create system administrator accounts. The impact is lower in Windows deployments.. EPSS estimates a 0.34% chance of exploitation in the next 30 days.
Description
SolarWinds Serv-U is affected by a broken access control vulnerability that allows a domain administrator to create system administrator accounts. The impact is lower in Windows deployments.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Solarwinds | Serv-U | < 2026.3 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-28309?
SolarWinds Serv-U is affected by a broken access control vulnerability that allows a domain administrator to create system administrator accounts. The impact is lower in Windows deployments.
How severe is CVE-2026-28309?
CVE-2026-28309 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.
How do I fix CVE-2026-28309?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-28302SolarWinds Serv-U is affected by an insecure direct object r…9.1
- CVE-2026-28304SolarWinds Serv-U is affected by a remote code execution vul…9.1
- CVE-2026-28305SolarWinds Serv-U is affected by an insecure direct object r…9.1
- CVE-2026-28306SolarWinds Serv-U is affected by a privilege escalation vuln…9.1
- CVE-2026-28307SolarWinds Serv-U is affected by a privilege escalation vuln…9.1
- CVE-2026-28308SolarWinds Serv-U is affected by an insecure direct object r…9.1
- CVE-2026-2831The MailArchiver plugin for WordPress is vulnerable to SQL I…4.9
- CVE-2026-28310SolarWinds Serv-U is affected by a privilege escalation vuln…9.1
- CVE-2026-28312SolarWinds Serv-U is affected by a privilege escalation vuln…9.1
- CVE-2026-28313SolarWinds Serv-U is affected by an insecure direct object r…9.1
- CVE-2026-28314SolarWinds Serv-U is affected by an insecure direct object r…9.1
- CVE-2026-28315SolarWinds Serv-U was found to be affected by a stored cross…6.2
Are you affected by CVE-2026-28309?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
