{"id":"CVE-2026-28318","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-28318","generatedAt":"2026-10-31T04:55:46.893Z","title":"SolarWinds Serv-U Uncontrolled Resource Consumption Vulnerability","description":"SolarWinds Serv-U is susceptible to specially crafted POST requests that crash the Serv-U service without authentication using Content-Encoding: deflate. Mitigation steps are provided to secure customer environments in the SolarWinds Trust Center if you are unable to deploy the update","published":"2026-06-04T15:16:50.000Z","lastModified":"2026-10-21T11:17:07.000Z","status":"Analyzed","sourceIdentifier":"psirt@solarwinds.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-400"],"affected":["solarwinds/serv-u"],"epss":{"score":0.43651,"percentile":0.9874,"date":"2026-10-30","history":[{"date":"2026-09-24","score":0.01942,"percentile":0.79258},{"date":"2026-10-22","score":0.43651,"percentile":0.9874}]},"kev":{"listed":true,"dateAdded":"2026-06-05","dueDate":"2026-06-19","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://www.solarwinds.com/trust-center/security-advisories/cve-2026-28318 ; https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-5-4-hotfix-1_release_notes.htm#link7 ; https://nvd.nist.gov/vuln/detail/CVE-2026-28318"},"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 19 June 2026). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-10-22T00:00:00.000Z","detail":{"to":0.43651,"from":0.01942,"percentile":0.9874},"summary":"EPSS moved from 1.9% to 43.7% probability of exploitation in the next thirty days."},{"kind":"epss","label":"EPSS jump","at":"2026-09-24T00:00:00.000Z","detail":{"to":0.01942,"from":0.40012,"percentile":0.79258},"summary":"EPSS moved from 40.0% to 1.9% probability of exploitation in the next thirty days."}],"references":[{"url":"https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-5-4-hotfix-1_release_notes.htm","tags":["Release Notes"],"source":"psirt@solarwinds.com"},{"url":"https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28318","tags":["Vendor Advisory"],"source":"psirt@solarwinds.com"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-28318","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-28318","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."}