{"action":"Upgrade httpx2 to 2.12.0 or later.","affected":[{"fixed":"2.12.0","introduced":"0"}],"component":"httpx2","cve_ids":["CVE-2026-84382"],"ecosystem":"PyPI","epss":0.0063,"exploited":false,"fixed_versions":["2.12.0"],"ghsa_id":"GHSA-8xx6-hgc6-gc2m","id":"tcs_01M5KH84K084BQFCP9B40KZV9D","modified_at":"2026-09-10T12:15:05.042801702Z","published_at":"2026-09-10T09:45:01.110644Z","references":["https://osv.dev/vulnerability/PYSEC-2026-3846","https://github.com/pydantic/httpx2/security/advisories/GHSA-8xx6-hgc6-gc2m","https://nvd.nist.gov/vuln/detail/CVE-2026-84382","https://github.com/pydantic/httpx2/pull/1126","https://github.com/pydantic/httpx2/commit/4fd0c70a3f207c618b145934792f791bccfb39f8","https://github.com/pydantic/httpx2","https://github.com/pydantic/httpx2/releases/tag/v2.12.0","https://pypi.org/project/httpx2","https://github.com/advisories/GHSA-8xx6-hgc6-gc2m"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"PYSEC-2026-3846","url":"https://osv.dev/vulnerability/PYSEC-2026-3846"}],"summary":"HTTPX2: Streaming response decompression does not bound peak memory (decompression amplification)"}