CVE-2026-28309 | BDVDB-2026-350321 Detail

SolarWindsServ-U

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.

Impact#

CAPEC-233 Privilege Escalation

Weaknesses#

CWE-862 Missing Authorization

References#

Exploit#

No public exploit known

History#

Version 12026-07-21Record published in the CVE List.
Version 22026-07-24Most recent update recorded in the CVE List.

Published

Published: 2026-07-21
Last modified: 2026-07-24

Vendor information

Vendor: SolarWinds
Product: Serv-U

All SolarWinds vulnerabilities

Score

9.1 Critical

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 42.8.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Missing Authorization

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
15.5.4 HF1 and below
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

9.1 Critical

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	High
User Interaction	None
Scope	Changed
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).