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.
{ "nvd_published_at": null, "cwe_ids": [ "CWE-200" ], "severity": "CRITICAL", "github_reviewed": true, "github_reviewed_at": "2020-06-16T21:41:20Z" }