{"action":"Upgrade praisonai to 4.5.139 or later.","affected":[{"fixed":"4.5.139","introduced":"0"}],"component":"praisonai","cve_ids":["CVE-2026-40289"],"ecosystem":"PyPI","epss":0.00421,"exploited":false,"fixed_versions":["4.5.139"],"ghsa_id":"GHSA-8x8f-54wf-vv92","id":"tcs_01M5KHBHEJVT153HGG8E2VAA57","modified_at":"2026-07-13T16:15:31.939145199Z","published_at":"2026-06-29T11:50:46.345249Z","references":["https://osv.dev/vulnerability/PYSEC-2026-467","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/praisonai","https://github.com/advisories/GHSA-8x8f-54wf-vv92"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"PYSEC-2026-467","url":"https://osv.dev/vulnerability/PYSEC-2026-467"}],"summary":"PraisonAI Browser Server allows unauthenticated WebSocket clients to hijack connected extension sessions"}