VulnerabilityModified

CVE-2018-6596

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.

CRITICAL 9.1EPSS 2.61%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.61%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

CVSS 3.0: 9.1 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS: 2.61% probability · 85th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-200
Affected: django-anymail project/django-anymail · debian/debian linux
Source: cve@mitre.org

EPSS trend

EPSS 2.6% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

https://bugs.debian.org/889450Issue Tracking, Patch, Third Party Advisory
https://github.com/anymail/django-anymail/commit/c07998304b4a31df4c61deddcb03d3607a04691bPatch
https://github.com/anymail/django-anymail/commit/db586ede1fbb41dce21310ea28ae15a1cf1286c5Patch
https://github.com/anymail/django-anymail/releases/tag/v1.2.1Release Notes
https://github.com/anymail/django-anymail/releases/tag/v1.3Release Notes
https://www.debian.org/security/2018/dsa-4107Third Party Advisory
https://bugs.debian.org/889450Issue Tracking, Patch, Third Party Advisory
https://github.com/anymail/django-anymail/commit/c07998304b4a31df4c61deddcb03d3607a04691bPatch
https://github.com/anymail/django-anymail/commit/db586ede1fbb41dce21310ea28ae15a1cf1286c5Patch
https://github.com/anymail/django-anymail/releases/tag/v1.2.1Release Notes
https://github.com/anymail/django-anymail/releases/tag/v1.3Release Notes
https://www.debian.org/security/2018/dsa-4107Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.