What’s Vulnerable › Vulnerabilities

CVE-2025-40536: SolarWinds Web Help Desk Security Control Bypass Vulnerability

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2026-02-12
• EPSS: 73.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-01-28 · updated 2026-06-17
• Weakness: CWE-693

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.

Affected products

• SolarWinds Web Help Desk: before 2026.1 — fixed in 2026.1

How to fix

Upgrade to a fixed version: SolarWinds Web Help Desk 2026.1. Check the vendor advisory for mitigations.

References

• https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htm
• https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40536
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-40536
• https://www.huntress.com/blog/active-exploitation-solarwinds-web-help-desk-cve-2025-26399

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