CVE-2026-28318

7.5 HIGH CISA KEV - Actively Exploited
Published: June 04, 2026 Modified: June 05, 2026
View on NVD

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

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
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

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
6.7%
91th percentile
Exploitation Status
Actively Exploited
Remediation due: 2026-06-19

Weaknesses (CWE)

CWE-400

Affected Vendors

solarwinds

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