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CISA Known Exploited Vulnerability
This CVE is actively exploited in the wild. CISA mandates federal agencies to patch immediately.
CVE

CVE-2025-40536

8.1
CVSShigh
Exploitable remotely over the internet · no authentication required.
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.

Attack Vector
Network
Privileges Req.
None
User Interaction
None
web help desk
Updated Nov 10, 2026View on NVD →
S4E scanner

SolarWinds Web Help Desk < 12.8.8 Hotfix 1 (HF1) - Security Control Bypass

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. References: https://www.solarwinds.com/trust-center/security-advisories/cve-2025-40536 https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htm https://horizon3.ai/attack-research/cve-2025-40551-another-solarwinds-web-help-desk-deserialization-issue/ Remediation: Apply the available 12.8.8 Hotfix 1 (HF1) or upgrade to version 2026.1.

url

CVE history: web help desk

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