CVE-2026-28316

CRITICALCVSS 9.1/10EPSS 1.28%

Last modified

CVE-2026-28316 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. SolarWinds Serv-U is affected by an insecure direct object reference (IDOR) vulnerability that can lead to privilege escalation to a system administrator with the ability to execute commands as the root user. This issue requires a domain account with administrator access. EPSS estimates a 1.28% chance of exploitation in the next 30 days.

Description

SolarWinds Serv-U is affected by an insecure direct object reference (IDOR) vulnerability that can lead to privilege escalation to a system administrator with the ability to execute commands as the root user. This issue requires a domain account with administrator access. The impact is lower in Windows deployments.

Metrics

CVSS 3.1
9.1/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

EPSS Probability
1.28%

67.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
SolarwindsServ-U< 2026.3

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-28316?
SolarWinds Serv-U is affected by an insecure direct object reference (IDOR) vulnerability that can lead to privilege escalation to a system administrator with the ability to execute commands as the root user. This issue requires a domain account with administrator access. The impact is lower in Windows deployments.
How severe is CVE-2026-28316?
CVE-2026-28316 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 1.28% probability of exploitation in the next 30 days.
How do I fix CVE-2026-28316?
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

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Source: NVD / NIST