CRITICAL
CVE-2025-40536
CVSS
9.8
KEV
Description
SolarWinds Web Help Desk was found to be susceptible to a security control bypass vulnerability that if exploited, could allow an unauthenticated attacker to gain access to certain restricted functionality.
Summary dbcve.org
SolarWinds Web Help Desk contains a security control bypass vulnerability that allows unauthenticated attackers to access certain restricted functionality. The vulnerability carries a CVSS score of 9.8 (Critical), indicating severe potential impact from unauthenticated access to protected system features.
Mitigation
Apply the vendor-supplied patch or update to SolarWinds Web Help Desk immediately, and restrict network exposure of the application until the fix can be deployed.
Weakness (CWE)
CWE-693
EPSS Score
81.96%
Probability of exploitation in next 30 days
99.6th percentile
References
https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htm
Release Notes
https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40536
Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-40536
US Government Resource
https://www.huntress.com/blog/active-exploitation-solarwinds-web-help-desk-cve-2025-26399
Third Party Advisory
Base CVE data derived from NVD (public domain). Enrichment by
dbcve.org
(CC-BY-4.0). Fetched via API.