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CVE-2026-28318

7.5 high KEV · due 2026-06-19 exploit ×2 SSVC exploitation: active Analyzed
NVD · CVE.org · CISA KEV

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

Fix

Public exploits 2

Each line links to the index that lists it, never to exploit code. Exploit-DB's "verified" and a Metasploit rank of good or better count as verified; a PoC-in-GitHub entry is a repository's claim.

CISA KEV required action · due 2026-06-19

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Added to the catalog 2026-06-05. CISA KEV

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 2

  1. EPSS0.02 → 0.44
  2. First seenCVSS 7.5 · in KEV · solarwindsNVD modified 2026-10-21 11:17

Affected (CPE criteria) 2

  • cpe:2.3:a:solarwinds:serv-u:*:*:*:*:*:*:*:*
  • cpe:2.3:a:solarwinds:serv-u:15.5.4:-:*:*:*:*:*:*

References 3