CVE-2026-28313

9.1 CRITICAL

Published: July 21, 2026 Modified: July 21, 2026

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.

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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:H/UI:N/S:C/C:H/I:H/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_2026-3_release_notes.htm

Source: psirt@solarwinds.com

https://https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28313

Source: psirt@solarwinds.com

2 reference(s) from NVD

Quick Stats

CVSS v3 Score

9.1 / 10.0

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-639

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