{"action":"Upgrade twisted to 26.4.0 or later.","affected":[{"fixed":"26.4.0","introduced":"0"}],"component":"twisted","cve_ids":["CVE-2026-42304"],"ecosystem":"PyPI","epss":0.00433,"exploited":false,"fixed_versions":["26.4.0"],"ghsa_id":"GHSA-grgv-6hw6-v9g4","id":"tcs_01M5KGTJN5E6APDWEXA9YJXKG2","modified_at":"2026-05-20T12:35:31.546681Z","published_at":"2026-05-13T21:16:46.933Z","references":["https://osv.dev/vulnerability/PYSEC-2026-160","https://github.com/twisted/twisted/security/advisories/GHSA-grgv-6hw6-v9g4"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"PYSEC-2026-160","url":"https://osv.dev/vulnerability/PYSEC-2026-160"}],"summary":"Twisted is an event-based framework for internet applications, supporting Python 3.6+. Prior to 26.4.0rc2, the twisted.names module is vulnerable to a Denial of Service (DoS) attack via resource exhau"}