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CVE Vulnerability Details :
CVE-2026-27141
PUBLISHED
More InfoOfficial Page
Assigner-Go
Assigner Org ID-1bb62c36-49e3-4200-9d77-64a1400537cc
View Known Exploited Vulnerability (KEV) details
Published At-26 Feb, 2026 | 18:50
Updated At-27 Feb, 2026 | 19:11
Rejected At-
▼CVE Numbering Authority (CNA)
Sending certain HTTP/2 frames can cause a server to panic in golang.org/x/net

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

Affected Products
Vendor
golang.org/x/net
Product
golang.org/x/net/http2
Collection URL
https://pkg.go.dev
Package Name
golang.org/x/net/http2
Program Routines
  • typeFrameParser
  • 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
  • unencryptedTransport.RoundTrip
  • writeData.String
Default Status
unaffected
Versions
Affected
  • From 0.50.0 before 0.51.0 (semver)
Problem Types
TypeCWE IDDescription
N/AN/ACWE-476: NULL Pointer Dereference
Type: N/A
CWE ID: N/A
Description: CWE-476: NULL Pointer Dereference
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://nvd.nist.gov/vuln/detail/CVE-2026-27141
N/A
https://go.dev/cl/746180
N/A
https://go.dev/issue/77652
N/A
https://pkg.go.dev/vuln/GO-2026-4559
N/A
Hyperlink: https://nvd.nist.gov/vuln/detail/CVE-2026-27141
Resource: N/A
Hyperlink: https://go.dev/cl/746180
Resource: N/A
Hyperlink: https://go.dev/issue/77652
Resource: N/A
Hyperlink: https://pkg.go.dev/vuln/GO-2026-4559
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Problem Types
TypeCWE IDDescription
CWECWE-476CWE-476 NULL Pointer Dereference
Type: CWE
CWE ID: CWE-476
Description: CWE-476 NULL Pointer Dereference
Metrics
VersionBase scoreBase severityVector
3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found