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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.

PUBLISHED Reserved 2026-05-31 | Published 2026-06-01 | Updated 2026-06-01 | Assigner VulDB




MEDIUM: 5.3CVSS: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
MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Injection

Improper Neutralization

Product status

2026.4.0
affected

2026.4.1
affected

2026.4.2
affected

2026.4.3
affected

2026.4.4
affected

2026.4.5
affected

2026.4.6
affected

2026.4.7
affected

2026.4.8
affected

2026.4.9
affected

2026.4.10
affected

2026.4.11
affected

2026.4.12
affected

2026.4.13
affected

2026.4.14
affected

2026.4.15
affected

2026.4.16
affected

2026.4.17
affected

2026.4.18
affected

2026.4.19
affected

2026.4.20
affected

2026.4.21
affected

2026.4.22
affected

2026.4.23
affected

2026.4.24
affected

2026.4.25
affected

2026.4.26
affected

2026.4.27
affected

2026.4.28
affected

2026.4.29
affected

2026.4.30
affected

Timeline

2026-05-31:Advisory disclosed
2026-05-31:VulDB entry created
2026-05-31:VulDB entry last update

Credits

Eric-j (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/367502 (VDB-367502 | NousResearch hermes-agent memory_tool.py _scan_memory_content injection) vdb-entry technical-description

vuldb.com/vuln/367502/cti (VDB-367502 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/cve/CVE-2026-10223 (CVE-2026-10223 | CVE Analysis and Report) third-party-advisory

vuldb.com/submit/822021 (Submit #822021 | NousResearch hermes-agent <= v2026.4.30 Injection (CWE-74)) third-party-advisory

gist.github.com/YLChen-007/a1fb77ad2488c545a35d0f66356ea7b4 exploit

cve.org (CVE-2026-10223)

nvd.nist.gov (CVE-2026-10223)

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