CVE-2018-6596

critical

Description

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

Advisories
More

https://www.debian.org/security/2018/dsa-4107

https://bugs.debian.org/889450

https://github.com/advisories/GHSA-hxf9-7h4c-f5jv

https://github.com/anymail/django-anymail/releases/tag/v1.3

https://github.com/anymail/django-anymail/releases/tag/v1.2.1

https://github.com/anymail/django-anymail/commit/db586ede1fbb41dce21310ea28ae15a1cf1286c5

https://github.com/anymail/django-anymail/commit/c07998304b4a31df4c61deddcb03d3607a04691b

Details

Source: Mitre, NVD

Published: 2018-02-03

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Severity: Critical

CVSS v4

Base Score: 9.3

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N