{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0","last_affected":"0.8.2"}],"component":"metagpt","cve_ids":["CVE-2026-10566"],"ecosystem":"PyPI","epss":0.00122,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-3c3g-7hwg-9qmr","id":"tcs_01M5KH0N42ZHP7AWXZHGCY8TCQ","modified_at":"2026-07-13T16:32:14.634694994Z","published_at":"2026-07-13T15:46:13.813271Z","references":["https://osv.dev/vulnerability/PYSEC-2026-2637","https://nvd.nist.gov/vuln/detail/CVE-2026-10566","https://github.com/FoundationAgents/MetaGPT/issues/2038","https://github.com/FoundationAgents/MetaGPT","https://vuldb.com/cve/CVE-2026-10566","https://vuldb.com/submit/828301","https://vuldb.com/vuln/367673","https://vuldb.com/vuln/367673/cti","https://pypi.org/project/metagpt","https://github.com/advisories/GHSA-3c3g-7hwg-9qmr"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"PYSEC-2026-2637","url":"https://osv.dev/vulnerability/PYSEC-2026-2637"}],"summary":"FoundationAgents MetaGPT: Deserialization through flawed argument mapping via Message.check_instruct_content()"}