{"id":"CLEANSTART-2026-XA13767","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":"2026-10-17T00:45:04.252918655Z","published":"2026-10-17T00:37:24.951814Z","upstream":["CVE-2026-78663"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-XA13767.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":"gitea","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/gitea?arch=x86_64"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.27.3-r0"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-XA13767.json"}},{"package":{"name":"gitea","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/gitea?arch=aarch64"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.27.3-r0"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-XA13767.json"}},{"package":{"name":"opentelemetry-collector-contrib","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/opentelemetry-collector-contrib"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.161.0-r0"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-XA13767.json"}},{"package":{"name":"opentelemetry-collector-contrib","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/opentelemetry-collector-contrib"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.157.0-r3"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-XA13767.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"}]}