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Back to active CVEs
Critical · CVSS 9.1CVE-2026-105216

go-micro before 6.0.0 Disabled TLS Certificate Verification via tls.Config HelperCVE-2026-105216

Answer in brief

CVE-2026-105216 records a Critical severity (CVSS 9.1) vulnerability in go-micro before 6.0.0 Disabled TLS Certificate Verification via tls.Config Helper. The current sources do not mark it as known exploited. The current feed maps micro/go-micro (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 4, 2026Updated Oct 4, 2026Source checked Oct 4, 2026First seen by HOL Oct 4, 2026Material review Oct 4, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 9.1
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 9.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps micro/go-micro (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
micro/go-microgeneric>=0 <6.0.06.0.0

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for micro/go-micro.
  2. 2Review the reported fix. Update micro/go-micro to 6.0.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 4, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 4, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 4, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • Source referencevulncheck.com
Upstream source description

go-micro before 6.0.0 contains an improper certificate validation vulnerability that allows network attackers to impersonate services because the shared TLS helper sets InsecureSkipVerify to true by default. Man-in-the-middle attackers can present any certificate to intercept or modify gRPC transport, HTTP and RabbitMQ broker, and Consul or etcd registry traffic, including authentication tokens and credentials.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Cockpit CMS 2.12.0 before 2.14.1 Disabled TLS Verification via cron.phpAlso CWE-295
  • gopay before 1.5.119 Disabled TLS Certificate Verification in xhttp ClientAlso CWE-295
  • WordPress TranslatePress plugin <= 3.3.6 - Cross Site Scripting (XSS) vulnerabilitySame generic ecosystem
  • WordPress Unlimited Elements For Elementor (Free Widgets, Addons, Templates) plugin <= 2.0.20 - Cross Site Scripting (XSS) vulnerabilitySame generic ecosystem
  • WordPress Gutenberg Blocks by Kadence Blocks plugin <= 3.7.11.1 - Cross Site Scripting (XSS) vulnerabilitySame generic ecosystem
  • WordPress Unlimited Elements For Elementor (Free Widgets, Addons, Templates) plugin <= 2.0.20 - SQL Injection vulnerabilitySame generic ecosystem

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-295
Source
CVE List V5
Source checked
Oct 4, 2026
References
5 linked sources
Open source record