CVE-2025-40536 kev in the critical feed json
SolarWinds Web Help Desk Security Control Bypass Vulnerability
published 2026-01-28 9 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-206418
- cvss
- 8.1
- version 3.1, CNA
- cisa kev
- Exploited
- added 2026-02-12
- epss
- 73.6%
- EPSS 73.6% chance of exploitation in 30 days, percentile 99.4%
- public exploits
- 1
- Metasploit, plus a Nuclei check
Summary
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.
Patch / fix
cisa required action Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- solarwinds web_help_desk 2026.1
Timeline
- First public exploit (Metasploit exploit/multi/http/solarwinds_webhelpdesk_rce)
- Published
- Added to CISA KEV
- CISA SSVC: exploitation active
- CISA patch deadline
Known exploited
- Added
- 8 mo ago
- Patch by
- 2026-02-15 (8 mo ago)
- Ransomware
- Not known
- Required action
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- Vendor, product
- SolarWinds, Web Help Desk
- CISA name
- SolarWinds Web Help Desk Security Control Bypass Vulnerability
CISA SSVC
- Exploitation
- Active, exploited in the wild
- Automatable
- no
- Technical impact
- total
- Assessed
- 8 mo ago
Exploit prediction
73.56% chance of exploitation in the next 30 days, higher than 99.4% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Metasploit exploit/multi/http/solarwinds_webhelpdesk_rce SolarWinds Web Help Desk unauthenticated RCE metasploit exploit, great rank, 2026-01-28
- Nuclei template SolarWinds Web Help Desk < 12.8.8 Hotfix 1 (HF1) - Security Control Bypass nuclei detection template
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- SolarWinds Web Help Desk
Classification
- Weakness
-
- CWE-693 Protection Mechanism Failure
References
-
solarwinds.com
/trust-center/security-advisories/CVE-2025-40536
vendor-advisory, patch
-
documentation.solarwinds.com
/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htm
release-notes
-
cisa.gov
/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-40536
government-resource, us-government-resource
-
huntress.com
/blog/active-exploitation-solarwinds-web-help-desk-cve-2025-26399
third-party-advisory
Sources
- CVE List CVE-2025-40536
- NVD CVE-2025-40536
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