{"action":"Upgrade github.com/crossplane/crossplane-runtime/v2 to 2.3.3 or later.","affected":[{"fixed":"2.4.0-rc.1","introduced":"2.4.0-rc.0"},{"fixed":"2.3.3","introduced":"2.3.0"}],"component":"github.com/crossplane/crossplane-runtime/v2","cve_ids":["CVE-2026-105163"],"ecosystem":"Go","epss":0.00322,"exploited":false,"fixed_versions":["2.4.0-rc.1","2.3.3"],"ghsa_id":"GHSA-mf7q-r4rv-jv94","id":"tcs_01M5KFFSFX6JSPG0CA6FTE0A7R","modified_at":"2026-10-05T10:55:34.924298945Z","published_at":"2026-08-27T17:25:25Z","references":["https://osv.dev/vulnerability/GHSA-mf7q-r4rv-jv94","https://github.com/crossplane/crossplane-runtime/security/advisories/GHSA-mf7q-r4rv-jv94","https://github.com/crossplane/crossplane-runtime"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"GHSA-mf7q-r4rv-jv94","url":"https://osv.dev/vulnerability/GHSA-mf7q-r4rv-jv94"},{"source":"nvd","source_id":"CVE-2026-105163","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105163"}],"summary":"Crossplane's TOCTOU between cosign verification and image fetch in xpkg.CachedClient allows tag-based package install to bypass signature check"}