TI-2026-12314 Aliases CVE-2026-14617 GHSA-pxqg-8rwp-q2x2

Incorrect comparison in NousResearch hermes-agent

MEDIUM 45CWE-178Published 2026-07-03 · Updated 2026-07-06

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: High
Attack requirements: None
Impact type: —
Confidentiality · integrity · availability: Low · None · None
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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."

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00374 31st percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
NousResearch	hermes-agent	2026.4.0; 2026.4.1; 2026.4.2; 2026.4.3; 2026.4.4; 2026.4.5; 2026.4.6; 2026.4.7; 2026.4.8; 2026.4.9; 2026.4.10; 2026.4.11; 2026.4.12; 2026.4.13; 2026.4.14; 2026.4.15; 2026.4.16; 2026.4.17; 2026.4.18; 2026.4.19; 2026.4.20; 2026.4.21; 2026.4.22; 2026.4.23; 2026.4.24; 2026.4.25; 2026.4.26; 2026.4.27; 2026.4.28; 2026.4.29; 2026.4.30	—	No fix listed	CNA

hermes-agent VendorNousResearch Affected 2026.4.0; 2026.4.1; 2026.4.2; 2026.4.3; 2026.4.4; 2026.4.5; 2026.4.6; 2026.4.7; 2026.4.8; 2026.4.9; 2026.4.10; 2026.4.11; 2026.4.12; 2026.4.13; 2026.4.14; 2026.4.15; 2026.4.16; 2026.4.17; 2026.4.18; 2026.4.19; 2026.4.20; 2026.4.21; 2026.4.22; 2026.4.23; 2026.4.24; 2026.4.25; 2026.4.26; 2026.4.27; 2026.4.28; 2026.4.29; 2026.4.30 Fixed in — No fix listed CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:nousresearch:hermes-agent::::::::	—	—	NousResearch

cpe:2.3:a:nousresearch:hermes-agent:*:*:*:*:*:*:*:* Versions — — ·NousResearch

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-14617
2026-10-03 Alias added: GHSA-pxqg-8rwp-q2x2

References

Exploit 1

https://gist.github.com/YLChen-007/2229e5505bcbb3e15a7ae8fba4c4be37

Patch 1

https://github.com/NousResearch/hermes-agent/pull/28631#issuecomment-4622188016

Other 2

TI-2026-50258 Hermes Agent 0.18.2 - 0.21.0 RCE via git core.fsmonitor Config Injection CVSS 4.0HIGH 8.6
TI-2026-12325 NousResearch hermes-agent Live Webhook Endpoint base.py extract_media path traversal CVSS 4.0MEDIUM 6.9
TI-2026-08962 NousResearch hermes-agent Webhook Endpoint feishu.py _handle_webhook_request resource consumption CVSS 4.0MEDIUM 6.9
TI-2026-08959 NousResearch hermes-agent run_agent.py _compress_context injection CVSS 4.0MEDIUM 6.9
TI-2026-08958 NousResearch hermes-agent skills_tool.py skill_view injection CVSS 4.0MEDIUM 6.9
TI-2026-08218 NousResearch hermes-agent Environment Variable code_execution_tool.py execute_code sandbox CVSS 4.0MEDIUM 6.9

See all 44 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences