go package report

Is stdlib safe?

stdlib (go) has 182 known vulnerabilities, the worst rated HIGH. No single fixed version is recorded that clears every advisory, so check each one below. No malicious-package signal is recorded.

// reach

0 direct dependencies

none carry a known advisory

    0 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
      0.57%
      medium

      chance of exploitation in 30 days, 48th percentile of all CVEs

      xyz score
      3.4
      low

      CyberXYZ composite out of 10

      fig. 01 — CVE-2026-56862, the advisory selected below

      // 182 advisories

      CVE-2026-56862

      HIGHOSV rating

      Handshake messages, such as KeyUpdate, are always considered as state-advancing, regardless of whether a handshake has been completed or not.

      Full advisory text at NVD or OSV.

      // 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 stdlib safe to install?

      CyberXYZ does not call a package safe in absolute terms. It records 182 known vulnerabilities for stdlib (go), the worst rated HIGH, and no malicious-package signal. Whether it is acceptable depends on the version you run.

      Does stdlib have known vulnerabilities?

      Yes. CyberXYZ records 182 known vulnerabilities for stdlib (go), the worst rated HIGH. These include CVE-2026-56862, CVE-2026-56859, CVE-2026-33818, CVE-2026-56853, CVE-2026-39820.

      How do I check stdlib before installing?

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

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

      Think a verdict here is wrong? Tell us — we respond within 2 business days.