{"apiVersion":"1.0","identifier":"CVE-2026-55536","description":"PraisonAI is a multi-agent teams system. Prior to praisonai 4.6.58, Browser Server _handle_connection() checks Chrome extension origins with re.match() and the unanchored expression chrome-extension://[a-z0-9]{32}. Extra trailing characters pass before websocket.accept(), allowing start_session commands and unauthorized browser automation. This issue is fixed in version 4.6.58.","publishedAt":"2026-08-25T16:16:54","lastModifiedAt":"2026-08-25T16:16:54","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-55536","cvssScore":9.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","epssProbability":0.00291,"riskScore":0.93,"affectedProduct":"praisonai","affectedVersions":"<4.6.58","vulnerabilityType":"Library","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-55536","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-55536","en":"https://www.redsauce.net/en/cves/CVE-2026-55536","fr":"https://www.redsauce.net/fr/cves/CVE-2026-55536","pt":"https://www.redsauce.net/pt/cves/CVE-2026-55536","de":"https://www.redsauce.net/de/cves/CVE-2026-55536","sk":"https://www.redsauce.net/sk/cves/CVE-2026-55536","el":"https://www.redsauce.net/el/cves/CVE-2026-55536"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-55536"}}