SCA: security update for hermes-agent (GHSA-238w-f66p-w349)

medium Tenable Cloud Security Plugin ID 444163

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- A security vulnerability has been detected in NousResearch hermes-agent up to 2026.4.23. Impacted is an
unknown function of the file agent/skills_guard.py of the component Skills Guard Multi-Word Prompt
Handler. The manipulation of the argument THREAT_PATTERNS leads to injection. Remote exploitation of the
attack is possible. The exploit has been disclosed publicly and may be used. The vendor was contacted
early about this disclosure but did not respond in any way. (CVE-2026-9353)

Solution

Update the hermes-agent library and its related packages to version 0.15.0 or later.

See Also

https://github.com/advisories/GHSA-238w-f66p-w349

Plugin Details

Severity: Medium

ID: 444163

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 6/30/2026

Updated: 6/30/2026

Risk Information

VPR

Risk Factor: Low

Score: 2.8

Percentile: 22.6

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2026-9353

CVSS v3

Risk Factor: High

Base Score: 7.3

Temporal Score: 6.4

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 6.9

Threat Score: 2.7

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/26/2026

Vulnerability Publication Date: 5/24/2026

Reference Information

CVE: CVE-2026-9353

cwe: CWE-74