SCA: security update for hermes-agent (GHSA-pgp4-xr4j-h5cg)

medium Tenable Cloud Security Plugin ID 444169

Description

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

- A vulnerability was found in NousResearch hermes-agent 2026.4.23. The impacted element is the function
_scan_context_content of the file agent/prompt_builder.py. The manipulation results in injection. The
attack may be performed from remote. The exploit has been made public and could be used. The vendor was
contacted early about this disclosure but did not respond in any way. (CVE-2026-9366)

Solution

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

See Also

https://github.com/advisories/GHSA-pgp4-xr4j-h5cg

Plugin Details

Severity: Medium

ID: 444169

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 6/30/2026

Updated: 6/30/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.2

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-2026-9366

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-2026-9366

cwe: CWE-74