CVE-2026-10223 | BDVDB-2026-336902 Detail

NousResearchhermes-agent

Description#

A weakness has been identified in NousResearch hermes-agent up to 2026.4.30. This affects the function _scan_memory_content of the file tools/memory_tool.py. This manipulation causes injection. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact low, availability impact low. Attack vector: network.

Weaknesses#

CWE-74 Injection
CWE-707 Improper Neutralization

References#

Exploit#

https://gist.github.com/YLChen-007/a1fb77ad2488c545a35d0f66356ea7b4

History#

Version 12026-06-01Record published in the CVE List.

Published

Published: 2026-06-01
Last modified: 2026-06-01

Vendor information

Vendor: NousResearch
Product: hermes-agent

All NousResearch vulnerabilities

Score

6.3 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 13.7.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
2026.4.0
Fixed
Not stated
Vulnerable
2026.4.1
Fixed
Not stated
Vulnerable
2026.4.2
Fixed
Not stated
Vulnerable
2026.4.3
Fixed
Not stated
Vulnerable
2026.4.4
Fixed
Not stated
Vulnerable
2026.4.5
Fixed
Not stated
Vulnerable
2026.4.6
Fixed
Not stated
Vulnerable
2026.4.7
Fixed
Not stated

Scoring System

CVSS v4.0

5.3 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Attack Requirements	None
Privileges Required	Low
User Interaction	None
Vulnerable System Confidentiality	Low
Vulnerable System Integrity	Low
Vulnerable System Availability	Low
Subsequent System Confidentiality	None
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

6.3 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity	Low
Availability	Low

CVSS v3.0

6.3 Medium

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity	Low
Availability	Low

CVSS v2

6.5 Medium

AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Metric breakdown
Access Vector	Network
Access Complexity	Low
Authentication	Single
Confidentiality Impact	Partial
Integrity Impact	Partial
Availability Impact	Partial

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).