{"action":"Upgrade webargs to 5.1.3 or later.","affected":[{"fixed":"5.1.3","introduced":"0"}],"component":"webargs","cve_ids":["CVE-2019-9710"],"ecosystem":"PyPI","epss":0.01124,"exploited":false,"fixed_versions":["5.1.3"],"ghsa_id":"GHSA-8554-jxcw-454q","id":"tcs_01M5KF7A2JFRWEK016JVBZSBPN","modified_at":"2025-08-04T21:12:40.126345Z","published_at":"2019-03-12T15:16:12Z","references":["https://osv.dev/vulnerability/GHSA-8554-jxcw-454q","https://nvd.nist.gov/vuln/detail/CVE-2019-9710","https://github.com/marshmallow-code/webargs/issues/371","https://github.com/marshmallow-code/webargs/pull/373","https://github.com/marshmallow-code/webargs/commit/716bd8d1f24c84aaf99170efaa17d1d34206f6c0","https://github.com/marshmallow-code/webargs","https://github.com/pypa/advisory-database/tree/main/vulns/webargs/PYSEC-2019-139.yaml","https://webargs.readthedocs.io/en/latest/changelog.html","https://webargs.readthedocs.io/en/latest/changelog.html#id24"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"GHSA-8554-jxcw-454q","url":"https://osv.dev/vulnerability/GHSA-8554-jxcw-454q"}],"summary":"Webargs mishandles concurrent JSON parsing"}