GO-2026-6278

See a problem?
Please try reporting it to the source first.
Source
https://pkg.go.dev/vuln/GO-2026-6278
Import Source
https://vuln.go.dev/ID/GO-2026-6278.json
JSON Data
https://api.osv.dev/v1/vulns/GO-2026-6278
Aliases
Related
Published
2026-08-25T15:00:08Z
Modified
2026-08-26T16:27:17.059721476Z
Summary
Gorilla WebSocket Uses Cryptographically Weak PRNG for WebSocket Mask Key in github.com/gorilla/websocket
Details

Gorilla WebSocket Uses Cryptographically Weak PRNG for WebSocket Mask Key in github.com/gorilla/websocket

Database specific 
{
    "review_status": "UNREVIEWED",
    "url": "https://pkg.go.dev/vuln/GO-2026-6278"
}
References

Affected packages

Go / github.com/gorilla/websocket

Package

Name
github.com/gorilla/websocket
View open source insights on deps.dev
Purl
pkg:golang/github.com/gorilla/websocket

Affected ranges

Type
SEMVER
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.5.3

Ecosystem specific 

{
    "imports": [
        {
            "symbols": [
                "Conn.Close",
                "Conn.NextReader",
                "Conn.NextWriter",
                "Conn.ReadJSON",
                "Conn.ReadMessage",
                "Conn.WriteControl",
                "Conn.WriteJSON",
                "Conn.WriteMessage",
                "Conn.WritePreparedMessage",
                "Dialer.Dial",
                "Dialer.DialContext",
                "NewClient",
                "NewPreparedMessage",
                "ReadJSON",
                "Subprotocols",
                "Upgrade",
                "Upgrader.Upgrade",
                "WriteJSON",
                "flateReadWrapper.Read",
                "flateWriteWrapper.Close",
                "flateWriteWrapper.Write",
                "httpProxyDialer.Dial",
                "joinReader.Read",
                "messageReader.Read",
                "messageWriter.Close",
                "messageWriter.ReadFrom",
                "messageWriter.Write",
                "messageWriter.WriteString",
                "netDialerFunc.Dial",
                "newMaskKey",
                "proxy_direct.Dial",
                "proxy_envOnce.Get",
                "proxy_socks5.Dial",
                "truncWriter.Write"
            ],
            "path": "github.com/gorilla/websocket"
        }
    ]
}

Database specific

source 
"https://vuln.go.dev/ID/GO-2026-6278.json"