go package report

Is istio.io/istio safe?

istio.io/istio (go) has 11 known vulnerabilities, the worst rated HIGH. Upgrade to 1.13.5 or later to clear all of them. No malicious-package signal is recorded.

// reach

5 direct dependencies

1 carry known advisories, worst HIGH

github-com/go-jose/go-jose/v3HIGH

6 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

7.5

high

CVSS v3.1 base score out of 10

epss

1.2%

medium

chance of exploitation in 30 days, 69th percentile of all CVEs

xyz score

3.4

low

CyberXYZ composite out of 10

fig. 01 — GHSA-vc7h-cmp3-4hw5, the advisory selected below

// 11 advisories

GHSA-vc7h-cmp3-4hw5

HIGHGitHub ratingCVE-2019-18817

Istio 1.3.x before 1.3.5 is vulnerable to denial of service because continueonlistenerfilterstimeout is set to True, a related issue to CVE-2019-18836.

Full advisory text at GitHub advisory or NVD.

// cvss v3.1 vector

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

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

// questions

Is istio.io/istio safe to install?

CyberXYZ does not call a package safe in absolute terms. It records 11 known vulnerabilities for istio.io/istio (go), the worst rated HIGH, and no malicious-package signal. Whether it is acceptable depends on the version you run.

Does istio.io/istio have known vulnerabilities?

Yes. CyberXYZ records 11 known vulnerabilities for istio.io/istio (go), the worst rated HIGH. These include GHSA-vc7h-cmp3-4hw5, GHSA-qcvw-82hh-gq38, GHSA-856q-xv3c-7f2f, GHSA-6g5f-f5pm-mjrg, GHSA-7774-7vr3-cc8j.

Which version of istio.io/istio should I use?

1.13.5 or later clears every advisory recorded for istio.io/istio (go). Check the release you pick before installing it.

How do I check istio.io/istio before installing?

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

Checked 2026-11-14 at 14:04 UTC. The most recent advisory here was published 2026-04-16. Updated continuously from NVD, GHSA, OSV and CNA feeds.