CVE-2026-110594

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.

CVSS 4.0

6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

4.9CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

EPSS

0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-25)

CWE

CWE-1333

Published

2026-10-14

Modified

2026-10-16

Record from

the NVD, synced 2026-10-19

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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