CVE-2026-110594: BottleCRM 0.43 through 1.14.5 ReDoS via Case Routing Rule Regex

Severity: medium (CVSS 4.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% 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-1333

Description

BottleCRM 0.43 through 1.14.5 contains a regular expression denial of service vulnerability that allows authenticated organization administrators to block web workers via unbounded routing rule regex patterns. Attackers can create a routing rule with a catastrophically backtracking pattern evaluated by _match_condition() during case saves, exhausting workers shared across all tenants.

Affected products

MicroPyramid BottleCRM: from 0.43 through 1.14.5

References

https://github.com/Django-CRM/Django-CRM/blob/v1.14.5/backend/cases/routing.py#L107-L114
https://github.com/Django-CRM/Django-CRM/issues/830
https://github.com/aaronamran/CVE-Disclosures/tree/main/CVE-2026/CVE-2026-110594
https://www.vulncheck.com/advisories/bottlecrm-0.43-through-1.14.5-redos-via-case-routing-rule-regex
https://github.com/Django-CRM/Django-CRM/issues/830

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