{"action":"Upgrade OpenTelemetry.OpAmp.Client to 0.2.0-alpha.1 or later.","affected":[{"fixed":"0.2.0-alpha.1","introduced":"0"}],"component":"OpenTelemetry.OpAmp.Client","cve_ids":["CVE-2026-42348"],"ecosystem":"NuGet","epss":0.00311,"exploited":false,"fixed_versions":["0.2.0-alpha.1"],"ghsa_id":"GHSA-w2jh-77fq-7gp8","id":"tcs_01M5N92VWENMNTRZHB0ZX8KK20","modified_at":"2026-05-13T16:46:20.709201Z","published_at":"2026-05-05T21:57:54Z","references":["https://osv.dev/vulnerability/GHSA-w2jh-77fq-7gp8","https://github.com/open-telemetry/opentelemetry-dotnet-contrib/security/advisories/GHSA-w2jh-77fq-7gp8","https://nvd.nist.gov/vuln/detail/CVE-2026-42348","https://github.com/open-telemetry/opentelemetry-dotnet-contrib/pull/4116","https://github.com/open-telemetry/opentelemetry-dotnet-contrib/commit/bf1fad4fa298ff451cda0efb0ee9c7a7eb46212a","https://github.com/open-telemetry/opentelemetry-dotnet-contrib"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"GHSA-w2jh-77fq-7gp8","url":"https://osv.dev/vulnerability/GHSA-w2jh-77fq-7gp8"}],"summary":"OpAMP client reads unbounded HTTP response bodies"}