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CVE-2026-7666

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 fo
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:24d3d825555fe04a56a09948538d5f92f696525aa3294bc15e562f2e83a195d4
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"baseScore":3.1,"baseSeverity":"LOW","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7a5f6ba95127943cb25671d42b3e6f5dbdaea8ae51f383d083d1eca995a3a5ea · sha256:cc5e526f7527d5dc… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":2.3,"baseSeverity":"LOW","vectorString":"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","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7a5f6ba95127943cb25671d42b3e6f5dbdaea8ae51f383d083d1eca995a3a5ea · sha256:cc5e526f7527d5dc… · /containers/cna/metrics/2/cvssV4_0

Affected products and versions

1 source assertion
{"collectionURL":"https://pypi.org/project/Django/","defaultStatus":"unaffected","packageName":"django","product":"Django","repo":"https://github.com/django/django/","vendor":"djangoproject","versions":[{"lessThan":"6.0.6","status":"affected","version":"6.0","versionType":"python"},{"status":"unaffected","version":"6.0.6","versionType":"python"},{"lessThan":"5.2.15","status":"affected","version":"5.2","versionType":"python"},{"status":"unaffected","version":"5.2.15","versionType":"python"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7a5f6ba95127943cb25671d42b3e6f5dbdaea8ae51f383d083d1eca995a3a5ea · sha256:cc5e526f7527d5dc… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"baseScore":3.1,"baseSeverity":"LOW","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7a5f6ba95127943cb25671d42b3e6f5dbdaea8ae51f383d083d1eca995a3a5ea · sha256:cc5e526f7527d5dc… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":2.3,"baseSeverity":"LOW","vectorString":"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","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7a5f6ba95127943cb25671d42b3e6f5dbdaea8ae51f383d083d1eca995a3a5ea · sha256:cc5e526f7527d5dc… · /containers/cna/metrics/2/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-319","description":"CWE-319: Cleartext Transmission of Sensitive Information","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7a5f6ba95127943cb25671d42b3e6f5dbdaea8ae51f383d083d1eca995a3a5ea · sha256:cc5e526f7527d5dc… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"Django security archive","tags":["vendor-advisory"],"url":"https://docs.djangoproject.com/en/dev/releases/security/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7a5f6ba95127943cb25671d42b3e6f5dbdaea8ae51f383d083d1eca995a3a5ea · sha256:cc5e526f7527d5dc… · /containers/cna/references/0
{"name":"Django releases announcements","tags":["mailing-list"],"url":"https://groups.google.com/g/django-announce"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7a5f6ba95127943cb25671d42b3e6f5dbdaea8ae51f383d083d1eca995a3a5ea · sha256:cc5e526f7527d5dc… · /containers/cna/references/1
{"name":"Django security releases issued: 6.0.6 and 5.2.15","tags":["vendor-advisory"],"url":"https://www.djangoproject.com/weblog/2026/jun/03/security-releases/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7a5f6ba95127943cb25671d42b3e6f5dbdaea8ae51f383d083d1eca995a3a5ea · sha256:cc5e526f7527d5dc… · /containers/cna/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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