PT-2026-42926 · Nousresearch · Hermes-Agent

Eric-I · CVE-2026-9366 · Published 2026-05-24 · Updated 2026-07-13

Positive Technologies (AI Summary)

CVSS v2.0

7.5

High

Base vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions NousResearch hermes-agent version 2026.4.23

Description A remote injection issue exists in the scan context content() function within the agent/prompt builder.py file.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability. As a temporary workaround, consider restricting the use of the scan context content() function to minimize the risk of exploitation.

Exploit

Special Elements Injection

Improper Neutralization

Weakness Enumeration

CWE-74

CWE-707

Related Identifiers

CVE-2026-9366

GHSA-PGP4-XR4J-H5CG

PYSEC-2026-2514

Affected Products

Hermes-Agent

References · 13

• 🔥 https://gist.github.com/YLChen-007/581fd92de5548fbaacb2092e848a75cc · Exploit
• https://osv.dev/vulnerability/PYSEC-2026-2514 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-pgp4-xr4j-h5cg · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-9366 · Security Note
• https://github.com/NousResearch/hermes-agent/commit/0dee92df22bdc0cfbcad90ca954aa14916f018de · Note
• https://github.com/NousResearch/hermes-agent · Note
• https://github.com/advisories/GHSA-pgp4-xr4j-h5cg · Note
• https://vuldb.com/vuln/365329 · Note
• https://t.me/CVEtracker/54762 · Telegram Post
• https://twitter.com/CVEnew/status/2058530605936373974 · Twitter Post
• https://vuldb.com/submit/812227 · Note
• https://vuldb.com/vuln/365329/cti · Note
• https://pypi.org/project/hermes-agent · Note