{"apiVersion":"1.0","identifier":"CVE-2026-5680","description":"A flaw was found in Undertow. A remote attacker could exploit this vulnerability by sending specially crafted WebSocket messages with permessage-deflate negotiated. This could lead to excessive memory consumption due to the PerMessageDeflateFunction.largerBuffer() method using exponential doubling, resulting in a Denial of Service (DoS) for the affected application.","publishedAt":"2026-08-27T17:18:58","lastModifiedAt":"2026-08-27T17:18:58","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-5680","cvssScore":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","epssProbability":0.00404,"riskScore":0.78,"affectedProduct":"Undertow","affectedVersions":"unknown","vulnerabilityType":"Library","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-5680","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-5680","en":"https://www.redsauce.net/en/cves/CVE-2026-5680","fr":"https://www.redsauce.net/fr/cves/CVE-2026-5680","pt":"https://www.redsauce.net/pt/cves/CVE-2026-5680","de":"https://www.redsauce.net/de/cves/CVE-2026-5680","sk":"https://www.redsauce.net/sk/cves/CVE-2026-5680","el":"https://www.redsauce.net/el/cves/CVE-2026-5680"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-5680"}}