CVE-2018-6596 json
Django-Anymail prone to a timing attack
published 2018-02-03 8 y ago modified 2026-06-17 4 mo ago also GHSA-hxf9-7h4c-f5jv , PYSEC-2018-7 , EUVD-2018-0034
- cvss
- 9.1
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.6%
- EPSS 2.6% chance of exploitation in 30 days, percentile 85%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- pypi django-anymail 1.2.1
- django-anymail_project django-anymail 1.2.1
- django-anymail Debian 14, Debian 13, Debian 12 1.3-1
debian advisories DEBIAN-CVE-2018-6596
Exploit prediction
2.61% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 9.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| NVD | 2.0 | 6.4 | AV:N/AC:L/Au:N/C:P/I:P/A:N |
| GitHub | 3.0 | 9.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | django-anymail | <1.2.1 |
1.2.1 |
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
-
github.com
/anymail/django-anymail/commit/c07998304b4a31df4c61deddcb03d3607a04691b
web, patch
-
github.com
/anymail/django-anymail/commit/db586ede1fbb41dce21310ea28ae15a1cf1286c5
web, patch
-
bugs.debian.org
/889450
web, issue-tracking, patch, third-party-advisory
-
debian.org
/security/2018/dsa-4107
vendor-advisory, web, third-party-advisory, advisory
-
github.com
/anymail/django-anymail/releases/tag/v1.3
web, release-notes
-
github.com
/anymail/django-anymail/releases/tag/v1.2.1
web, release-notes
-
nvd.nist.gov
/vuln/detail/CVE-2018-6596
advisory
-
github.com
/advisories/GHSA-hxf9-7h4c-f5jv
advisory
-
github.com
/anymail/django-anymail
package
-
github.com
/pypa/advisory-database/tree/main/vulns/django-anymail/PYSEC-2018-7.yaml
web
Sources
- CVE List CVE-2018-6596
- GitHub Advisory GHSA-hxf9-7h4c-f5jv
- NVD CVE-2018-6596
- OSV PYSEC-2018-7
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.