CVE-2026-18773

MEDIUM

NousResearch hermes-agent Quick run.py _check_slash_access authorization

Title source: cna

Description

A vulnerability was detected in NousResearch hermes-agent up to 2026.6.5. Affected by this issue is the function _check_slash_access of the file gateway/run.py of the component Quick Command Handler. The manipulation results in incorrect authorization. The attack can be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

References (5)

Core 5

Core References

Vdb Entry, Technical Description vdb-entry technical-description

VDB-385783 | NousResearch hermes-agent Quick run.py _check_slash_access authorization

https://vuldb.com/vuln/385783

Signature, Permissions Required signature permissions-required

VDB-385783 | CTI Indicators (IOB, IOC, IOA)

https://vuldb.com/vuln/385783/cti

Third Party Advisory third-party-advisory

CVE-2026-18773 | CVE Analysis and Report

https://vuldb.com/cve/CVE-2026-18773

Third Party Advisory third-party-advisory

Submit #856874 | NousResearch hermes-agent 2026.6.5 Incorrect Authorization (CWE-863)

https://vuldb.com/submit/856874

Exploit exploit

https://gist.github.com/YLChen-007/f0036aa1c410b70f5e41272947180645

Scores

CVSS v3 6.3

EPSS 0.0020

EPSS Percentile 10.2%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-285 CWE-863

Status published

Products (6)

NousResearch/hermes-agent 2026.6.0

NousResearch/hermes-agent 2026.6.1

NousResearch/hermes-agent 2026.6.2

NousResearch/hermes-agent 2026.6.3

NousResearch/hermes-agent 2026.6.4

NousResearch/hermes-agent 2026.6.5

Published Aug 04, 2026

Tracked Since Aug 04, 2026