CVE-2026-67989

Ruby LLM Regular Expression Denial‑of‑Service on Mistral Capability Matching

Published Oct 2, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
crmne/ruby_llm at commit fa6f279847d6d7027814539d9c0dfc3bbdfd2a83 contains a polynomial-time regular expression denial-of-service condition in Mistral model capability matching on Ruby 3.1.x

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Crmne
Crmne ruby Llm
Vendors & Products Crmne
Crmne ruby Llm
Type Values Removed Values Added
Title Ruby LLM Regular Expression Denial‑of‑Service on Mistral Capability Matching
Type Values Removed Values Added
Title Polynomial‑time Regular Expression Denial of Service in Ruby‑LLM Mistral Capability Matching
Weaknesses CWE-749
Type Values Removed Values Added
Weaknesses CWE-1333
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Polynomial‑time Regular Expression Denial of Service in Ruby‑LLM Mistral Capability Matching
Weaknesses CWE-749
Type Values Removed Values Added
Description crmne/ruby_llm at commit fa6f279847d6d7027814539d9c0dfc3bbdfd2a83 contains a polynomial-time regular expression denial-of-service condition in Mistral model capability matching on Ruby 3.1.x
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Oct 2, 2026, 7:09 PM
Reserved
Jul 30, 2026, 12:00 AM
Status
Awaiting Analysis
Published
Oct 2, 2026, 4:16 PM
Modified
Oct 2, 2026, 8:17 PM