CVE-2026-14617 LOW

CVE-2026-14617: NousResearch hermes-agent Streaming Reasoning Tag Filter stream_consumer.py GatewayStreamConsumer._filter_and_accumulate case sensitivity

Vendor Nousresearch
Product hermes-agent
Weakness CWE-178
Published July 3, 2026
Last update July 3, 2026

CVSS base score

2.3/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

A security vulnerability has been detected in NousResearch hermes-agent up to 2026.4.30. Affected is the function GatewayStreamConsumer._filter_and_accumulate of the file gateway/stream_consumer.py of the component Streaming Reasoning Tag Filter. The manipulation leads to improper handling of case sensitivity. The attack may be initiated remotely. The attack's complexity is rated as high. The exploitability is told to be difficult. The exploit has been disclosed publicly and may be used. The project decided to not implement a dedicated fix: "[T]he analysis and the fix are both sound. It just lands below the bar for the maintenance cost of a duplicated scrub path."

Key dates

02Disclosure timeline

July 3, 2026 CVE published