GO-2026-5039

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Source

https://pkg.go.dev/vuln/GO-2026-5039

Import Source

https://vuln.go.dev/ID/GO-2026-5039.json

JSON Data

https://api.test.osv.dev/v1/vulns/GO-2026-5039

Aliases

CVE-2026-42507

Published

2026-06-02T21:39:47Z

Modified

2026-06-02T22:00:13.045271256Z

Summary

Arbitrary inputs are included in errors without any escaping in net/textproto

Details

When returning errors, functions in the net/textproto package would include its input as part of the error. This might allow an attacker to inject misleading content to errors that are printed or logged.

Database specific

{
    "review_status": "REVIEWED",
    "url": "https://pkg.go.dev/vuln/GO-2026-5039"
}

References

Affected packages

Go / stdlib

Package

Name: stdlib; View open source insights on deps.dev
Purl: pkg:golang/stdlib

Affected ranges

Type: SEMVER
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.25.11

Introduced

1.26.0-0

Fixed

1.26.4

Ecosystem specific

{
    "imports": [
        {
            "path": "net/textproto",
            "symbols": [
                "Error.Error",
                "Reader.ReadCodeLine",
                "Reader.ReadMIMEHeader",
                "Reader.ReadResponse",
                "parseCodeLine",
                "readMIMEHeader"
            ]
        }
    ]
}

Database specific

source

"https://vuln.go.dev/ID/GO-2026-5039.json"