{"action":"Upgrade org.http4s:http4s-blaze-server_2.13 to 0.23.18 (0.x) or 1.0.0-M42 (1.x) or later.","affected":[{"fixed":"0.23.18","introduced":"0"},{"fixed":"1.0.0-M42","introduced":"1.0.0-M1"}],"component":"org.http4s:http4s-blaze-server_2.13","cve_ids":["CVE-2026-73493"],"ecosystem":"Maven","epss":0.0063,"exploited":false,"fixed_versions":["0.23.18","1.0.0-M42"],"ghsa_id":"GHSA-7ppr-r889-mcf2","id":"tcs_01M5N8JTY46950D1TC2NS7WDST","modified_at":"2026-08-12T21:25:59.207322Z","published_at":"2026-07-24T22:28:05Z","references":["https://osv.dev/vulnerability/GHSA-7ppr-r889-mcf2","https://github.com/http4s/blaze/security/advisories/GHSA-7ppr-r889-mcf2","https://github.com/http4s/blaze/commit/173e8ca820a0d12110bfe409c72e9b9c3d28d471","https://github.com/http4s/blaze/commit/2ae13a74d55209b6573d5228d1aa94f0361a75d0","https://github.com/http4s/blaze/commit/fadbe6d0f7f59045425688d313c8d4804973d12f","https://github.com/http4s/blaze","https://github.com/http4s/blaze/releases/tag/v0.23.18","https://github.com/http4s/blaze/releases/tag/v1.0.0-M42"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-7ppr-r889-mcf2","url":"https://osv.dev/vulnerability/GHSA-7ppr-r889-mcf2"}],"summary":"blaze: Unbounded WebSocket message aggregation in http4s-blaze-server"}