CVE-2025-40536
Security Control Bypass in SolarWinds Web Help Desk. CISA confirmed attackers exploit it and added it to its Known Exploited Vulnerabilities catalog on 12 February 2026.
- Product
- SolarWinds Web Help Desk
- Added to CISA's catalog
- Federal fix-by date
- Ransomware
- No known use in ransomware campaigns
- Vendor advisories
- Sources
- CISA’s catalog, NVD entry
CISA’s description.
SolarWinds Web Help Desk contains a security control bypass vulnerability that could allow an unauthenticated attacker to gain access to certain restricted functionality.
More from SolarWinds this year.
- CVE-2026-28318 Uncontrolled Resource Consumption, added
- CVE-2025-26399 Deserialization of Untrusted Data, added
- CVE-2025-40551 Deserialization of Untrusted Data, added
Every flaw CISA confirmed exploited in the last 30 days is on the exploit watch. This is not security advice. Check the vendor’s advisory before acting. From CISA’s catalog of 3 November 2026.