CVE-2026-28318

Published: Jun 4, 2026Modified: Jul 22, 2026CISA KEV

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

Source: psirt@solarwinds.com (Secondary)

Description

SolarWinds Serv-U is susceptible to specially crafted POST requests that crash the Serv-U service without authentication using Content-Encoding: deflate. Mitigation steps are provided to secure customer environments in the SolarWinds Trust Center if you are unable to deploy the update

Affected (2)

Products: Solarwinds: Serv U

1 product

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Solarwinds Serv U	Before 15.5.4
Solarwinds Serv U	Version 15.5.4

Related CWEs

Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

References (3)

https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-5-4-hotfix-1_release_notes.htm

Source: psirt@solarwinds.com

Release Notes

https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28318

Source: psirt@solarwinds.com

Vendor Advisory

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-28318

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

US Government Resource

Timeline

No history available yet.