CVE-2025-40536

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.

Scoring

• CVSS: 8.1 (HIGH, 3.1)
• EPSS exploitation probability: Not yet available
• EPSS percentile: Not yet available

CISA KEV status

• Added to KEV: 2026-02-12
• Remediation due date: 2026-02-15
• Known ransomware campaign use: Unknown

Weakness types (CWE)

• CWE-693

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

More from SolarWinds

• CVE-2026-28318 — Serv-U
• CVE-2025-26399 — Web Help Desk
• CVE-2025-40551 — Web Help Desk
• CVE-2024-28987 — Web Help Desk
• CVE-2024-28986 — Web Help Desk