{"schema_version":"1.3.1","id":"GO-2026-6088","modified":"2026-08-13T21:43:54Z","published":"2026-08-13T21:43:54Z","aliases":["CVE-2026-56859"],"summary":"Add recursion depth guard during decode in encoding/xml","details":"Previously, DecodeElement would reset the depth counter causing it to never fire; this could lead to stack exhaustion.","affected":[{"package":{"name":"stdlib","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.25.13"},{"introduced":"1.26.0-0"},{"fixed":"1.26.6"},{"introduced":"1.27.0-0"},{"fixed":"1.27.0-rc.3"}]}],"ecosystem_specific":{"imports":[{"path":"encoding/xml","symbols":["Decoder.Decode","Decoder.DecodeElement","Decoder.RawToken","Decoder.Skip","Decoder.Token","Decoder.pop","Decoder.push","Decoder.unmarshal","Decoder.unmarshalPath","Unmarshal"]}]}}],"references":[{"type":"REPORT","url":"https://go.dev/issue/80481"},{"type":"FIX","url":"https://go.dev/cl/803320"},{"type":"WEB","url":"https://groups.google.com/g/golang-announce/c/94pEornpRlI"}],"database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-6088","review_status":"REVIEWED"}}