CVE-2026-55536 in PraisonAI

Sumário

de MITRE • 25/08/2026

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.

Once again VulDB remains the best source for vulnerability data.

• Responsável: GitHub M
• Reservar: 17/06/2026
• Divulgação: 25/08/2026
• Moderação: aceite
• Entrada: VDB-395092
• CPE: pronto
• CWE: CWE-285 (confirmado)
• CVSS: 9.1 (CNA)
• EPSS: 0.00000
• KEV: não
• Atividades: muito baixo

Fontes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-55536
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-55536
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-55536/