{"action":"Upgrade praisonaiagents to 1.5.140 or later.","affected":[{"fixed":"1.5.140","introduced":"0"}],"component":"praisonaiagents","cve_ids":["CVE-2026-40289"],"ecosystem":"PyPI","epss":0.00421,"exploited":false,"fixed_versions":["1.5.140"],"ghsa_id":"GHSA-8x8f-54wf-vv92","id":"tcs_01M5KHBN5AYJ9W2EX9AG0PF3KF","modified_at":"2026-07-13T16:15:33.091019497Z","published_at":"2026-06-29T11:50:46.250069Z","references":["https://osv.dev/vulnerability/PYSEC-2026-485","https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-8x8f-54wf-vv92","https://nvd.nist.gov/vuln/detail/CVE-2026-40289","https://github.com/MervinPraison/PraisonAI","https://github.com/MervinPraison/PraisonAI/releases/tag/v4.5.139","https://pypi.org/project/praisonaiagents","https://github.com/advisories/GHSA-8x8f-54wf-vv92"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"PYSEC-2026-485","url":"https://osv.dev/vulnerability/PYSEC-2026-485"}],"summary":"PraisonAI Browser Server allows unauthenticated WebSocket clients to hijack connected extension sessions"}