CVE-2026-18976CWE-266

CVE-2026-18976

Medium · published August 6, 2026

CVSS v3.1
6.3
EPSS
0%
Percentile
29.2
In the wild
Unconfirmed
What it is

A vulnerability was determined in NousResearch hermes-agent up to 0.16.0. This impacts the function get_tool_definitions of the file agent/agent_init.py of the component disabled_toolsets Handler. This manipulation causes incorrect privilege assignment. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report.

The record
Technical detail
CVSS v3.1
6.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00366 · 29.2th percentile
Weakness
CWE-266 · Incorrect Privilege Assignment
Published
2026-08-06T06:16Z
References (7)
https://github.com/NousResearch/hermes-agent/ · [email protected]https://github.com/NousResearch/hermes-agent/issues/46171 · [email protected]https://github.com/NousResearch/hermes-agent/pull/46185 · [email protected]https://vuldb.com/cve/CVE-2026-18976 · [email protected]https://vuldb.com/submit/862541 · [email protected]https://vuldb.com/vuln/386264 · [email protected]https://vuldb.com/vuln/386264/cti · [email protected]
EPSS history
Timeline
  • 06 AUG 01:45Z
    NousResearch hermes-agent disabled_toolsets agent_init.py get_tool_definitions privileges assignment
    cvelistv5