VULNERABILITY INTELLIGENCE

CVE-2026-28313

CVSS score9.1 CRITICAL
EPSS probability0.50%
CISA KEVNot currently listed
Published2026-07-21
Last modified2026-10-24
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Description

SolarWinds Serv-U is affected by an insecure direct object reference (IDOR) vulnerability that can lead to SMTP hijacking leading to arbitrary account takeover. The impact is lower in Windows deployments.

Weakness classification

  • CWE-639: Authorization Bypass Through User-Controlled Key

Primary references