CVE-2025-40536
SolarWinds Web Help Desk Security Control Bypass Vulnerability
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 profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
SolarWinds Web Help Desk Security Control Bypass Vulnerability
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.
- Record
CVE-2025-40536- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-693
- Updated
- 2026-11-02
EUVDEUVD-2025-206418
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.
- Record
EUVD-2025-206418- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-m83h-48rr-jcrh
SolarWinds Web Help Desk was found to be susceptible to a security control bypass vulnerability...
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.
- Record
GHSA-m83h-48rr-jcrh- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-693
- Updated
- 2026-11-02
CISA KEV No score
SolarWinds Web Help Desk Security Control Bypass Vulnerability
SolarWinds Web Help Desk contains a security control bypass vulnerability that could allow an unauthenticated attacker to gain access to certain restricted functionality.
- Record
CVE-2025-40536- Weakness
- CWE-693
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-40536- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-693
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Metasploit | SolarWinds Web Help Desk unauthenticated RCE | 2026-01-28 |
| PoC in GitHub | victoriaalicex/CVE-2025-40536-Analysis | 2026-06-01 |
| Nuclei | SolarWinds Web Help Desk < 12.8.8 Hotfix 1 (HF1) - Security Control Bypass |
History
| Recorded | Changed | Sources |
|---|---|---|
| exploitation, exploits | ||
| first indexed | CVE List, EUVD, GitHub Advisories, CISA KEV, Metasploit, Nuclei, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-40536 is a high vulnerability (CVSS 8.1) in Solarwinds Web Help Desk, published January 28, 2026. CISA lists it as known to be exploited, since February 12, 2026. EUVD reports exploitation since February 12, 2026. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 73.6%, the 99th percentile. No source names a fixed version.
References
solarwinds.com/trust-center/security-advisories/CVE-2025-40536
documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htm
cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-40536
huntress.com/blog/active-exploitation-solarwinds-web-help-desk-cve-2025-26399
nvd.nist.gov/vuln/detail/CVE-2025-40536
github.com/advisories/GHSA-m83h-48rr-jcrh