GO-2026-5021

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Source

https://pkg.go.dev/vuln/GO-2026-5021

Import Source

https://vuln.go.dev/ID/GO-2026-5021.json

JSON Data

https://api.test.osv.dev/v1/vulns/GO-2026-5021

Aliases

CVE-2026-42508

Related

CGA-cggg-9cv5-p6gh

Published

2026-05-22T02:08:34Z

Modified

2026-05-29T04:29:12.086869040Z

Summary

Invoking auth bypass via unenforced @revoked status in golang.org/x/crypto/ssh/knownhosts

Details

Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked.

Database specific

{
    "url": "https://pkg.go.dev/vuln/GO-2026-5021",
    "review_status": "REVIEWED"
}

References

Affected packages

Go / golang.org/x/crypto

Package

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

Affected ranges

Type: SEMVER
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.52.0

Ecosystem specific

{
    "imports": [
        {
            "symbols": [
                "hostKeyDB.IsRevoked"
            ],
            "path": "golang.org/x/crypto/ssh/knownhosts"
        }
    ]
}

Database specific

source

"https://vuln.go.dev/ID/GO-2026-5021.json"