go package report

Is golang.org/x/net safe?

golang.org/x/net (go) has 39 known vulnerabilities, the worst rated CRITICAL. Upgrade to 0.62.0 or later to clear all of them. No malicious-package signal is recorded.

// reach

4 direct dependencies

3 carry known advisories, worst CRITICAL

4,009 packages depend on it

an advisory here reaches each of them

Create a free accountfor every dependency path, dependent and what to upgrade

// ai model usage

Tracked for PyPI packages. HuggingFace models declare Python dependencies, so go packages are not covered.

cvss

9.6

critical

CVSS v3.1 base score out of 10

epss

1.8%

medium

chance of exploitation in 30 days, 79th percentile of all CVEs

xyz score

5.2

medium

CyberXYZ composite out of 10

fig. 01 — CVE-2026-39821, the advisory selected below

// 39 advisories

CVE-2026-39821

CRITICALOSV rating

The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label.

Full advisory text at NVD or OSV.

// cvss v3.1 vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

Attack vector: Network
Attack complexity: Low
Privileges required: Low
User interaction: None
Scope: Changed
Confidentiality: High
Integrity: High
Availability: None

// questions

Is golang.org/x/net safe to install?

CyberXYZ does not call a package safe in absolute terms. It records 39 known vulnerabilities for golang.org/x/net (go), the worst rated CRITICAL, and no malicious-package signal. Whether it is acceptable depends on the version you run.

Does golang.org/x/net have known vulnerabilities?

Yes. CyberXYZ records 39 known vulnerabilities for golang.org/x/net (go), the worst rated CRITICAL. These include CVE-2026-39821, CVE-2026-46600, CVE-2026-33814, GHSA-4374-p667-p6c8, GHSA-vfw5-hrgq-h5wf.

Which version of golang.org/x/net should I use?

0.62.0 or later clears every advisory recorded for golang.org/x/net (go). Check the release you pick before installing it.

How do I check golang.org/x/net before installing?

Search golang.org/x/net in CyberXYZ Check at https://cyberxyz.io/check?q=golang.org%2Fx%2Fnet. The xyz Scanner checks a project's dependencies, and CyberXYZ Proxy checks each package as it is installed.

Checked 2026-11-14 at 13:18 UTC. The most recent advisory here was published 2026-10-27. Updated continuously from NVD, GHSA, OSV and CNA feeds.