GO-2026-4559

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Source
https://pkg.go.dev/vuln/GO-2026-4559
Import Source
https://vuln.go.dev/ID/GO-2026-4559.json
JSON Data
https://api.osv.dev/v1/vulns/GO-2026-4559
Aliases
  • CVE-2026-27141
Related
Published
2026-02-26T18:24:17Z
Modified
2026-03-03T01:29:33.153071Z
Summary
Sending certain HTTP/2 frames can cause a server to panic in golang.org/x/net
Details

Due to missing nil check, sending 0x0a-0x0f HTTP/2 frames will cause a running server to panic

Database specific 
{
    "url": "https://pkg.go.dev/vuln/GO-2026-4559",
    "review_status": "REVIEWED"
}
References

Affected packages

Go / golang.org/x/net

Package

Name
golang.org/x/net
View open source insights on deps.dev
Purl
pkg:golang/golang.org/x/net

Affected ranges

Type
SEMVER
Events
Introduced
0.50.0
Fixed
0.51.0

Ecosystem specific 

{
    "imports": [
        {
            "symbols": [
                "ClientConn.Close",
                "ClientConn.Ping",
                "ClientConn.RoundTrip",
                "ClientConn.Shutdown",
                "ConfigureServer",
                "ConfigureTransport",
                "ConfigureTransports",
                "ConnectionError.Error",
                "ErrCode.String",
                "FrameHeader.String",
                "FrameType.String",
                "FrameWriteRequest.String",
                "Framer.ReadFrame",
                "Framer.ReadFrameForHeader",
                "Framer.ReadFrameHeader",
                "Framer.WriteContinuation",
                "Framer.WriteData",
                "Framer.WriteDataPadded",
                "Framer.WriteGoAway",
                "Framer.WriteHeaders",
                "Framer.WritePing",
                "Framer.WritePriority",
                "Framer.WritePriorityUpdate",
                "Framer.WritePushPromise",
                "Framer.WriteRSTStream",
                "Framer.WriteRawFrame",
                "Framer.WriteSettings",
                "Framer.WriteSettingsAck",
                "Framer.WriteWindowUpdate",
                "GoAwayError.Error",
                "ReadFrameHeader",
                "Server.ServeConn",
                "Setting.String",
                "SettingID.String",
                "SettingsFrame.ForeachSetting",
                "StreamError.Error",
                "Transport.CloseIdleConnections",
                "Transport.NewClientConn",
                "Transport.RoundTrip",
                "Transport.RoundTripOpt",
                "bufferedWriter.Flush",
                "bufferedWriter.Write",
                "bufferedWriterTimeoutWriter.Write",
                "chunkWriter.Write",
                "clientConnPool.GetClientConn",
                "connError.Error",
                "dataBuffer.Read",
                "duplicatePseudoHeaderError.Error",
                "gzipReader.Close",
                "gzipReader.Read",
                "headerFieldNameError.Error",
                "headerFieldValueError.Error",
                "netHTTPClientConn.Close",
                "netHTTPClientConn.RoundTrip",
                "noDialClientConnPool.GetClientConn",
                "noDialH2RoundTripper.NewClientConn",
                "noDialH2RoundTripper.RoundTrip",
                "pipe.Read",
                "priorityWriteSchedulerRFC7540.CloseStream",
                "priorityWriteSchedulerRFC7540.OpenStream",
                "priorityWriteSchedulerRFC9218.OpenStream",
                "pseudoHeaderError.Error",
                "requestBody.Close",
                "requestBody.Read",
                "responseWriter.Flush",
                "responseWriter.FlushError",
                "responseWriter.Push",
                "responseWriter.SetReadDeadline",
                "responseWriter.SetWriteDeadline",
                "responseWriter.Write",
                "responseWriter.WriteHeader",
                "responseWriter.WriteString",
                "roundRobinWriteScheduler.OpenStream",
                "serverConn.CloseConn",
                "serverConn.Flush",
                "stickyErrWriter.Write",
                "transportResponseBody.Close",
                "transportResponseBody.Read",
                "typeFrameParser",
                "unencryptedTransport.RoundTrip",
                "writeData.String"
            ],
            "path": "golang.org/x/net/http2"
        }
    ]
}

Database specific

source 
"https://vuln.go.dev/ID/GO-2026-4559.json"