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CVE Vulnerability Details :
CVE-2026-28309
PUBLISHED
More InfoOfficial Page
Assigner-SolarWinds
Assigner Org ID-49f11609-934d-4621-84e6-e02e032104d6
View Known Exploited Vulnerability (KEV) details
Published At-21 Jul, 2026 | 15:34
Updated At-24 Jul, 2026 | 03:55
Rejected At-
▼CVE Numbering Authority (CNA)
SolarWinds Serv-U Broken Access Control Vulnerability

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.

Affected Products
Vendor
SolarWinds Worldwide, LLC.SolarWinds
Product
Serv-U
Platforms
  • Windows
  • Linux
Default Status
unaffected
Versions
Affected
  • 15.5.4 HF1 and below
Problem Types
TypeCWE IDDescription
CWECWE-862CWE-862 Missing Authorization
Type: CWE
CWE ID: CWE-862
Description: CWE-862 Missing Authorization
Metrics
VersionBase scoreBase severityVector
3.19.1CRITICAL
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
3.14.7MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Version: 3.1
Base score: 9.1
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Version: 3.1
Base score: 4.7
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-233CAPEC-233 Privilege Escalation
CAPEC ID: CAPEC-233
Description: CAPEC-233 Privilege Escalation
Solutions

SolarWinds recommends customers to upgrade to Serv-U version 2026.3 as soon as is practical.

Configurations
Workarounds
Exploits
Credits
finder
Intigriti Bug Bounty Program
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28309
vendor-advisory
https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_2026-3_release_notes.htm
release-notes
Hyperlink: https://https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28309
Resource:
vendor-advisory
Hyperlink: https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_2026-3_release_notes.htm
Resource:
release-notes
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found