Medium severity4.6NVD Advisory· Published May 26, 2023· Updated Jun 17, 2026
CVE-2023-33185
CVE-2023-33185
Description
Django-SES is a drop-in mail backend for Django. The django_ses library implements a mail backend for Django using AWS Simple Email Service. The library exports the SESEventWebhookView class intended to receive signed requests from AWS to handle email bounces, subscriptions, etc. These requests are signed by AWS and are verified by django_ses, however the verification of this signature was found to be flawed as it allowed users to specify arbitrary public certificates. This issue was patched in version 3.5.0.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
django-sesPyPI | < 3.5.0 | 3.5.0 |
Affected products
3- Range: < 3.5.0
Patches
Vulnerability mechanics
References
6- github.com/django-ses/django-ses/commit/b71b5f413293a13997b6e6314086cb9c22629795nvdPatchWEB
- github.com/django-ses/django-ses/blob/3d627067935876487f9938310d5e1fbb249a7778/CVE/001-cert-url-signature-verification.mdnvdExploitThird Party AdvisoryWEB
- github.com/advisories/GHSA-qg36-9jxh-fj25ghsaADVISORY
- github.com/django-ses/django-ses/security/advisories/GHSA-qg36-9jxh-fj25nvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2023-33185ghsaADVISORY
- github.com/pypa/advisory-database/tree/main/vulns/django-ses/PYSEC-2023-82.yamlghsaWEB
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