{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-56859", "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc", "state": "PUBLISHED", "assignerShortName": "Go", "dateReserved": "2026-06-23T15:10:49.353Z", "datePublished": "2026-08-13T21:58:52.959Z", "dateUpdated": "2026-08-13T21:58:52.959Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc", "shortName": "Go", "dateUpdated": "2026-08-13T21:58:52.959Z"}, "title": "Add recursion depth guard during decode in encoding/xml", "descriptions": [{"lang": "en", "value": "Previously, DecodeElement would reset the depth counter causing it to never fire; this could lead to stack exhaustion."}], "affected": [{"vendor": "Go standard library", "product": "encoding/xml", "collectionURL": "https://pkg.go.dev", "packageName": "encoding/xml", "versions": [{"version": "0", "lessThan": "1.25.13", "status": "affected", "versionType": "semver"}, {"version": "1.26.0-0", "lessThan": "1.26.6", "status": "affected", "versionType": "semver"}, {"version": "1.27.0-0", "lessThan": "1.27.0-rc.3", "status": "affected", "versionType": "semver"}], "programRoutines": [{"name": "Decoder.push"}, {"name": "Decoder.pop"}, {"name": "Decoder.RawToken"}, {"name": "Decoder.unmarshalPath"}, {"name": "Decoder.unmarshal"}, {"name": "Decoder.Decode"}, {"name": "Decoder.DecodeElement"}, {"name": "Decoder.Skip"}, {"name": "Decoder.Token"}, {"name": "Unmarshal"}], "defaultStatus": "unaffected"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-770: Allocation of Resources Without Limits or Throttling"}]}], "references": [{"url": "https://go.dev/issue/80481"}, {"url": "https://go.dev/cl/803320"}, {"url": "https://groups.google.com/g/golang-announce/c/94pEornpRlI"}, {"url": "https://pkg.go.dev/vuln/GO-2026-6088"}]}}}

{}

{"affected": [{"affectedData": [{"collectionURL": "https://pkg.go.dev", "defaultStatus": "unaffected", "packageName": "encoding/xml", "product": "encoding/xml", "programRoutines": [{"name": "Decoder.push"}, {"name": "Decoder.pop"}, {"name": "Decoder.RawToken"}, {"name": "Decoder.unmarshalPath"}, {"name": "Decoder.unmarshal"}, {"name": "Decoder.Decode"}, {"name": "Decoder.DecodeElement"}, {"name": "Decoder.Skip"}, {"name": "Decoder.Token"}, {"name": "Unmarshal"}], "vendor": "Go standard library", "versions": [{"lessThan": "1.25.13", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "1.26.6", "status": "affected", "version": "1.26.0-0", "versionType": "semver"}, {"lessThan": "1.27.0-rc.3", "status": "affected", "version": "1.27.0-0", "versionType": "semver"}]}], "source": "security@golang.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Previously, DecodeElement would reset the depth counter causing it to never fire; this could lead to stack exhaustion."}], "id": "CVE-2026-56859", "lastModified": "2026-08-13T22:17:22.320", "metrics": {}, "published": "2026-08-13T22:17:22.320", "references": [{"source": "security@golang.org", "url": "https://go.dev/cl/803320"}, {"source": "security@golang.org", "url": "https://go.dev/issue/80481"}, {"source": "security@golang.org", "url": "https://groups.google.com/g/golang-announce/c/94pEornpRlI"}, {"source": "security@golang.org", "url": "https://pkg.go.dev/vuln/GO-2026-6088"}], "sourceIdentifier": "security@golang.org", "vulnStatus": "Received"}

{}

{"created": "2026-08-14T00:45:17.204341+00:00", "updated": "2026-08-14T00:45:17.204348+00:00", "vendors": [], "weaknesses": ["CWE-674"]}