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Warning: Critical untrusted deserialization vulnerability in SolarWinds Help Desk, actively exploited, Patch Immediately!

ID: 29eba72e-95f8-56e1-99e3-80cae7f1af3c

STIX ID: report--29eba72e-95f8-56e1-99e3-80cae7f1af3c

Feed Name: CCB Advisories Feed

Threat Score
80/100

Date Published: 2026-02-04

Date Updated: 2026-07-24

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SolarWinds Web Help Desk (<= 12.8.8 HF1) is affected by CVE-2025-40551, an untrusted deserialization vulnerability (CWE-502) with a CVSS 9.8 rating that can allow attackers to execute arbitrary code, fully compromise exposed instances, and pivot within corporate networks; the advisory recommends immediate patching and increased monitoring/detection.

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