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Vulnerability · Published Aug 4, 2026 · Assigned by VulDB

CVE-2026-18773NousResearch hermes-agent Quick run.py _check_slash_access authorization

Medium 6.3

In plain English

A medium-severity incorrect authorization in hermes-agent from NousResearch. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)0.3%top 71.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
NousResearch hermes-agent 2026.6.02026.6.12026.6.22026.6.32026.6.42026.6.5

Weakness: CWE-863, CWE-285 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References