Cleartext Transmission of Sensitive Information Affecting django package, versions [,5.2.15)[6.0a1,6.0.6)


Severity

Recommended
0.0
low
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.15% (5th percentile)

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  • Snyk IDSNYK-PYTHON-DJANGO-17151727
  • published4 Jun 2026
  • disclosed3 Jun 2026
  • creditKasper Dupont

Introduced: 3 Jun 2026

CVE-2026-7666  (opens in a new tab)
CWE-319  (opens in a new tab)

How to fix?

Upgrade django to version 5.2.15, 6.0.6 or higher.

Overview

Affected versions of this package are vulnerable to Cleartext Transmission of Sensitive Information in the EmailBackend function when a failed STARTTLS handshake occurs and fail_silently=True is set. An attacker can intercept and read email content by performing a man-in-the-middle attack on the network connection.

CVSS Base Scores

version 4.0
version 3.1