CVE-2026-14617

LOW

NousResearch hermes-agent Streaming Reasoning Tag Filter stream_consumer.py GatewayStreamConsumer._filter_and_accumulate case sensitivity

Title source: cna

Description

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."

References (8)

Core 8

Core References

Vdb Entry, Technical Description vdb-entry technical-description

VDB-376134 | NousResearch hermes-agent Streaming Reasoning Tag Filter stream_consumer.py GatewayStreamConsumer._filter_and_accumulate case sensitivity

https://vuldb.com/vuln/376134

Signature, Permissions Required signature permissions-required

VDB-376134 | CTI Indicators (IOB, IOC, IOA)

https://vuldb.com/vuln/376134/cti

Third Party Advisory third-party-advisory

CVE-2026-14617 | CVE Analysis and Report

https://vuldb.com/cve/CVE-2026-14617

Third Party Advisory third-party-advisory

Submit #844654 | Nous Research hermes-agent v2026.4.30 Improper Handling of Case Sensitivity Leading to Information Disclosure (CWE-178)

https://vuldb.com/submit/844654

Issue Tracking issue-tracking

https://github.com/NousResearch/hermes-agent/issues/27288