CVE-2026-110593: BottleCRM through 1.14.5 Server-Side Template Injection via Account Email create_mail

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-14 · updated 2026-10-16
Weakness: CWE-1336

Description

BottleCRM through 1.14.5 contains a server-side template injection vulnerability in the send_email Celery task, which compiles the user-supplied AccountEmail message_body with django.template.Template(). Authenticated organization members can submit template tags through POST /api/accounts/<id>/create_mail/ to disclose the rendering context and loaded Python modules, or block the shared Celery worker with nested loops.

Affected products

MicroPyramid BottleCRM: through 1.14.5

References

https://github.com/Django-CRM/Django-CRM/blob/v1.14.5/backend/accounts/tasks.py#L45
https://github.com/Django-CRM/Django-CRM/issues/826
https://github.com/aaronamran/CVE-Disclosures/tree/main/CVE-2026/CVE-2026-110593
https://www.vulncheck.com/advisories/bottlecrm-through-1.14.5-server-side-template-injection-via-account-email-create-mail

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