CVE-2026-28321

critical · 9.1

SolarWinds Serv-U is affected by a broken access control vulnerability that could allow arbitrary file read and write, which can then be used to escalate privileges and execute code as root. A domain administrator access is required, and the impact is lower in Windows installations.

9.1

CVSS

0.6%

EPSS (exploit prob.)

46th

EPSS percentile

2026-07-21

Published

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

Weaknesses

CWE-284

Affected products

Vendor	Product	Affected versions
solarwinds	serv-u	< 2026.3

Check a specific version with /api/v1/cve/match.

References

https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_2026-3_release_notes.htm
https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28321

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-28321