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ReDoS in BottleCRM case routing rule regex

Priority MEDIUM 64CWE-1333Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-1333.

Summary

BottleCRM versions 0.43 through 1.14.5 by MicroPyramid contain an inefficient regular expression flaw (CWE-1333) that lets an authenticated organization administrator block web workers. A routing rule with a catastrophically backtracking regex pattern is evaluated during case saves, exhausting workers shared across all tenants. A public exploit is linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00644 51st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicroPyramidBottleCRM0.43 – 1.14.5—No fix listedCNA
  • BottleCRM VendorMicroPyramid Affected 0.43 – 1.14.5 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for BottleCRM.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-14 Threatist record created from CVE-2026-110594
  2. 2026-10-14 Alias added: GHSA-r225-9m2h-4x6v
  3. 2026-10-15 CISA SSVC decision points changed
  4. 2026-10-16 1 new reference · CNA
  5. 2026-10-21 EPSS moved to the 50th–90th percentile

References

  • TI-2026-74089 Memory exhaustion in BottleCRM via contact and case CSV import CVSS 4.0MEDIUM 5.3
  • TI-2026-74086 HTML injection in BottleCRM invoice PDF templates CVSS 4.0MEDIUM 5.1
  • TI-2019-08552 Multiple CSRF issues exist in MicroPyramid Django CRM 0.2.1 via… CVSS 3.0HIGH 8.8
  • TI-2018-11872 MicroPyramid Django-CRM 0.2 allows CSRF for /users/create/, /users/##/edit/, and /accounts/##/delete/ URIs. CVSS 3.1HIGH 8.8
  • TI-2026-74087 Server-side template injection in BottleCRM via account email CVSS 4.0MEDIUM 5.3

Sources