anonhaven

CVE-2026-67989

HIGH CVSS 3.1: 7.5 EPSS 0.34%
Updated Oct 02, 2026
Ruby
Parameter Value
CVSS 7.5 (HIGH)
Type CWE-1333 (Inefficient Regular Expression Complexity / ReDoS)
Vendor Ruby
Public PoC No

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

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)

CWE-1333 Inefficient Regular Expression Complexity / ReDoS

Vulnerable Products

n/a:n/a

References 3

https://github.com/crmne/ruby_llm
cve@mitre.org
https://github.com/crmne/ruby_llm/blob/fa6f279847d6d7027814539d9c0dfc3bbdfd2a83…
cve@mitre.org
https://github.com/crmne/ruby_llm/commit/dd3c84812598def03d4aff77b5447c41d8f5c3…
cve@mitre.org
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