CVE-2026-7666
2.3
Vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XShow more
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XShow less
Source: 6a34fbeb-21d4-45e7-8e0a-62b95bc12c92 (Secondary)
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.
Affected (2)
Products: Djangoproject: Django
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| From 5.2 to 5.2.15 |
References (3)
Source: 6a34fbeb-21d4-45e7-8e0a-62b95bc12c92
PatchVendor Advisory
Source: 6a34fbeb-21d4-45e7-8e0a-62b95bc12c92
Release Notes
Source: 6a34fbeb-21d4-45e7-8e0a-62b95bc12c92
PatchVendor Advisory
Timeline
No history available yet.