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Back to active CVEs
High · CVSS 6.5CVE-2026-81034

Netmaker through 1.6.0 Improper Certificate Validation in SMTP ClientCVE-2026-81034

Answer in brief

CVE-2026-81034 records a High severity (CVSS 6.5) vulnerability in Netmaker through 1.6.0 Improper Certificate Validation in SMTP Client. The current sources do not mark it as known exploited. The current feed maps gravitl/netmaker (generic), gravitl/netmaker (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 Aug 26, 2026Updated Sep 24, 2026Source checked Oct 11, 2026First seen by HOL Aug 26, 2026Material review Sep 24, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 6.5
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 6.5. 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 gravitl/netmaker (generic), gravitl/netmaker (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
gravitl/netmakergeneric0Not reported
gravitl/netmakergeneric>=0 <=1.6.0Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for gravitl/netmaker, gravitl/netmaker.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Aug 26, 2026

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

  2. Source modified

    Sep 24, 2026

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

  3. First seen by HOL

    Aug 26, 2026

Sources and claim methodology

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

Netmaker disables certificate verification on the connection to the configured mail server. The sender in pro/email/smtp.go assigns a TLS configuration whose skip-verify field is set to true unconditionally, directly beneath a comment stating that the setting should be false in production. No configuration value governs it and no code path restores verification, so the client accepts any certificate the mail server presents, including one an interposing party supplies. Mail that Netmaker sends over that connection includes password-reset messages carrying single-use tokens and user invitations carrying enrolment links, so a party positioned on the path between the server and its mail relay can read those messages in transit and use a captured reset token before the intended recipient does. The setting is absent from the development branch but present in the latest release.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • JeecgBoot through 3.9.5 Missing Authorization via /sys/sysDepartPermission/deleteSame generic ecosystem
  • JeecgBoot through 3.9.5 Missing Authorization via sysDepartPermission queryById EndpointSame generic ecosystem
  • JeecgBoot through 3.9.5 Missing Authorization via /sys/sysDepartPermission/addSame generic ecosystem
  • JeecgBoot through 3.9.5 Missing Authorization via sysDepartPermission deleteBatch EndpointSame generic ecosystem
  • JeecgBoot through 3.9.5 Missing Authorization via getDepartmentHead EndpointSame generic ecosystem
  • JeecgBoot through 3.9.5 Missing Authorization via /sys/sysDepart/appImportExcelSame generic ecosystem

Record context

Vulnerability class
Secret Exfiltration
EPSS
Not reported
CWE IDs
CWE-295
Source
CVE List V5
Source checked
Oct 11, 2026
References
4 linked sources
Open source record