HIGHVulnerability

CVE-2026-67991

crmne/ruby_llm at commit fa6f279847d6d7027814539d9c0dfc3bbdfd2a83 contains a polynomial-time regular expression denial-of-service condition in RubyLLM::Utils.underscore on Ruby 3.1.x. A very long crafted class, agent, or tool name can cause excessive CPU consumption and a denial of service.

Properties

severity
HIGH
score
7.5
cve_id
CVE-2026-67991
vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
published_at
2026-08-13T14:17:11.717
last_modified
2026-09-04T17:16:57.267

Related Entities (2)

HAS_WEAKNESS (1)

[Weakness]Inefficient Regular Expression Complexity

DESCRIBED_BY (1)

[Source]NVD

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