AUGUST 16, 2026
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Case File

CVE-2026-7666

LOW · CVSS 3.1 EPSS 0.15%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-06-03 · Last synced 2026-08-04

CyberRota Analysis

This is a low severity vulnerability with a CVSS score of 3.1. See the original NVD description below for full technical details.

CVE
CVE-2026-7666
Severity
LOW
CVSS
3.1
EPSS
0.15%

Original NVD Description

An issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15. `django.core.mail.backends.smtp.EmailBackend` in Django fails to prevent reuse of a partially-initialized connection after a failed `STARTTLS` handshake when `fail_silently=True`, which allows on-path network attackers to read email content via cleartext interception. Earlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected. Django would like to thank Kasper Dupont for reporting this issue.

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