CVE-2026-27137

None

Open

TLP:CLEAR

Incorrect enforcement of email constraints in crypto/x509

NVD CVE.org

Critical Infrastructure

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Description

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.

Details

EPSS Score ⓘ: 0.61%

45.7th percentile
Confidence: 90%
Published: Mar 6, 2026
Last Modified: Aug 10, 2026

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