Information Exposure Affecting django-anymail package, versions <1.3-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN14-DJANGOANYMAIL-11740654
- published10 Aug 2025
- disclosed3 Feb 2018
Introduced: 3 Feb 2018
CVE-2018-6596 (opens in a new tab)How to fix?
Upgrade Debian:14 django-anymail to version 1.3-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream django-anymail package and not the django-anymail package as distributed by Debian.
See How to fix? for Debian:14 relevant fixed versions and status.
webhooks/base.py in Anymail (aka django-anymail) before 1.2.1 is prone to a timing attack vulnerability on the WEBHOOK_AUTHORIZATION secret, which allows remote attackers to post arbitrary e-mail tracking events.
References
- https://security-tracker.debian.org/tracker/CVE-2018-6596
- https://bugs.debian.org/889450
- https://www.debian.org/security/2018/dsa-4107
- https://github.com/anymail/django-anymail/commit/c07998304b4a31df4c61deddcb03d3607a04691b
- https://github.com/anymail/django-anymail/commit/db586ede1fbb41dce21310ea28ae15a1cf1286c5
- https://github.com/anymail/django-anymail/releases/tag/v1.2.1
- https://github.com/anymail/django-anymail/releases/tag/v1.3