{"id":"CVE-2025-40536","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-40536","generatedAt":"2026-10-31T05:59:16.476Z","title":"SolarWinds Web Help Desk Security Control Bypass Vulnerability","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.","published":"2026-01-28T08:16:02.000Z","lastModified":"2026-06-17T09:21:43.000Z","status":"Analyzed","sourceIdentifier":"psirt@solarwinds.com","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-693"],"affected":["solarwinds/web help desk"],"epss":{"score":0.73562,"percentile":0.99466,"date":"2026-10-30","history":[{"date":"2026-09-24","score":0.72059,"percentile":0.99413},{"date":"2026-09-25","score":0.73562,"percentile":0.99453}]},"kev":{"listed":true,"dateAdded":"2026-02-12","dueDate":"2026-02-15","knownRansomwareCampaignUse":"Unknown","notes":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.\nhttps://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://nvd.nist.gov/vuln/detail/CVE-2025-40536"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 15 February 2026). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htm","tags":["Release Notes"],"source":"psirt@solarwinds.com"},{"url":"https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40536","tags":["Vendor Advisory"],"source":"psirt@solarwinds.com"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-40536","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://www.huntress.com/blog/active-exploitation-solarwinds-web-help-desk-cve-2025-26399","tags":["Third Party Advisory"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-40536","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}