Improper Certificate Validation Affecting go-toolset package, versions <0:1.26.2-2.0.1.el10_2


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.61% (45th percentile)

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  • Snyk IDSNYK-ORACLE10-GOTOOLSET-17983375
  • published15 Jul 2026
  • disclosed6 Mar 2026

Introduced: 6 Mar 2026

CVE-2026-27137  (opens in a new tab)
CWE-295  (opens in a new tab)

How to fix?

Upgrade Oracle:10 go-toolset to version 0:1.26.2-2.0.1.el10_2 or higher.
This issue was patched in ELSA-2026-19022.

NVD Description

Note: Versions mentioned in the description apply only to the upstream go-toolset package and not the go-toolset package as distributed by Oracle. See How to fix? for Oracle:10 relevant fixed versions and status.

When verifying a certificate chain which contains a certificate containing multiple email address constraints which share common local portions but different domain portions, these constraints will not be properly applied, and only the last constraint will be considered.

References

CVSS Base Scores

version 3.1