{"id":"CLEANSTART-2026-TS76124","summary":"HTTP/2 server can refund connection-level flow control twice for the same data: Once when a client resets a stream (refunding data for any sent-but-unread portion of the stream), and again when a r...","details":"CVE-2026-78663 affects multiple packages. The HTTP/2 server can refund connection-level flow control twice for the same data: Once when a client resets a stream (refunding data for any sent-but-unread portion of the stream), and again when a request handler reads the buffered data. See references for individual vulnerability details.","modified":"2026-10-27T00:45:10.915058605Z","published":"2026-10-27T00:38:43.577851Z","upstream":["CVE-2026-78663"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-TS76124.json"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-78663"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-78663"}],"affected":[{"package":{"name":"cert-manager","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/cert-manager"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.18.6-r8"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-TS76124.json"}},{"package":{"name":"helm","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/helm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.1-r1"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-TS76124.json"}},{"package":{"name":"argo-cd","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/argo-cd"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.16-r3"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-TS76124.json"}},{"package":{"name":"argo-cd","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/argo-cd"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.11-r6"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-TS76124.json"}},{"package":{"name":"kyverno","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/kyverno"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.18.2-r4"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-TS76124.json"}},{"package":{"name":"dex","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/dex"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.43.1-r7"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-TS76124.json"}},{"package":{"name":"opa-fips","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/opa-fips"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.21.2-r2"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-TS76124.json"}},{"package":{"name":"kubernetes-csi-external-snapshotter","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/kubernetes-csi-external-snapshotter"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.7.0-r0"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-TS76124.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"}]}