Secuno
ENNL
Book demo

CVE-2026-28305

SolarWinds Serv-u remote code execution

9.1 CRITICALEPSS 0.79%
  1. Published21 Jul 2026

Description

SolarWinds Serv-U is affected by an insecure direct object reference (IDOR) vulnerability that can lead to remote code execution as root. A domain account with admin privileges and read and write access to the home directory is required. The impact is lower in Windows deployments.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredHigh
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected products

SolarWinds Serv-u< 2026.3

Remediation

Fixed in
SolarWinds Serv-u≥ 2026.3

References

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

CVE-2026-773669.9
obsidian-tc is a governed, agent-ready Model Context Protocol server for Obsidian…
CVE-2026-1093438.1
SurrealDB before 3.3.0 allows cross-tenant access because the SurrealQL USE statement…
CVE-2026-1093348.1
SurrealDB before 3.3.0 does not check the caller-selected namespace or database against…
CVE-2026-1054118.1
An Authorization Bypass Through User-Controlled Key vulnerability affecting Tuleap…
CVE-2026-1088538.1
UnicomAI Wanwu before 0.6.3 contains an insecure direct object reference vulnerability…
CVE-2026-1087588.2
Easy!Appointments through 1.6.0 contains an authorization bypass vulnerability in…

Frequently asked

Is CVE-2026-28305 being actively exploited?

CVE-2026-28305 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.79%.

How severe is CVE-2026-28305?

CVE-2026-28305 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.79% probability of exploitation.

Which products are affected by CVE-2026-28305?

Affected products include SolarWinds Serv-u.

How do I fix CVE-2026-28305?

Upgrade affected software to a fixed version, for example SolarWinds Serv-u 2026.3 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-28305 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation worksBook a demo

Get Patch this first every Monday

Five vulnerabilities that matter this week, ranked on real exploitation. Plain language, one email, no spam.

You can unsubscribe with one click from every issue. We handle your details as described in our privacy policy.

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.