What is GHSA-4vx4-vp54-mwmc?

GHSA-4vx4-vp54-mwmc is a security advisory published by GitHub Security Advisories with High severity. SolarWinds Serv-U is susceptible to specially crafted POST requests that crash the Serv-U service...

Which CVE IDs does GHSA-4vx4-vp54-mwmc cover?

GHSA-4vx4-vp54-mwmc covers the following CVE IDs: CVE-2026-28318. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4vx4-vp54-mwmc?

GHSA-4vx4-vp54-mwmc has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-4vx4-vp54-mwmcHighCVSS 7.5

SolarWinds Serv-U is susceptible to specially crafted POST requests that crash the Serv-U service...

Vendor

GitHub Security Advisories

Published

June 4, 2026

Last Modified

June 4, 2026

🔗 CVE IDs covered (1)

CVE-2026-28318 →

📋 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

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-28318
https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-5-4-hotfix-1_release_notes.htm
https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28318
https://github.com/advisories/GHSA-4vx4-vp54-mwmc