{"action":"Upgrade CoreWCF.UnixDomainSocket to 1.8.1 (1.8.x) or 1.9.1 (1.9.x) or later.","affected":[{"fixed":"1.8.1","introduced":"0"},{"fixed":"1.9.1","introduced":"1.9.0"}],"component":"CoreWCF.UnixDomainSocket","cve_ids":["CVE-2026-54776"],"ecosystem":"NuGet","epss":0.00152,"exploited":false,"fixed_versions":["1.8.1","1.9.1"],"ghsa_id":"GHSA-wjpq-6766-7f5j","id":"tcs_01M5N943KTH7VXV85X8EXZV90F","modified_at":"2026-06-19T21:11:29.955022Z","published_at":"2026-06-19T20:46:52Z","references":["https://osv.dev/vulnerability/GHSA-wjpq-6766-7f5j","https://github.com/CoreWCF/CoreWCF/security/advisories/GHSA-wjpq-6766-7f5j","https://github.com/CoreWCF/CoreWCF"],"severity":{"label":"medium","score":4.4},"sources":[{"source":"osv","source_id":"GHSA-wjpq-6766-7f5j","url":"https://osv.dev/vulnerability/GHSA-wjpq-6766-7f5j"}],"summary":"CoreWCF: Unix Domain Socket PosixIdentity transport accepts connections that skip the security upgrade"}