NousResearch hermes-agent Messaging Gateway local.py _make_run_env information disclosure
Published May 24, 2026
6.9
MEDIUMCVSS 4.0
EPSS 0.48%
Description
A weakness has been identified in NousResearch hermes-agent up to 2026.4.23. This issue affects the function _make_run_env of the file tools/environments/local.py of the component Messaging Gateway Handler. Executing a manipulation can lead to information disclosure. The attack may be launched 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.
Affected products
-
- Version 2026.4.0StatusaffectedConstraints-
- Version 2026.4.1StatusaffectedConstraints-
- Version 2026.4.10StatusaffectedConstraints-
- Version 2026.4.11StatusaffectedConstraints-
- Version 2026.4.12StatusaffectedConstraints-
- Version 2026.4.13StatusaffectedConstraints-
- Version 2026.4.14StatusaffectedConstraints-
- Version 2026.4.15StatusaffectedConstraints-
- Version 2026.4.16StatusaffectedConstraints-
- Version 2026.4.17StatusaffectedConstraints-
- Version 2026.4.18StatusaffectedConstraints-
- Version 2026.4.19StatusaffectedConstraints-
- Version 2026.4.2StatusaffectedConstraints-
- Version 2026.4.20StatusaffectedConstraints-
- Version 2026.4.21StatusaffectedConstraints-
- Version 2026.4.22StatusaffectedConstraints-
- Version 2026.4.23StatusaffectedConstraints-
- Version 2026.4.3StatusaffectedConstraints-
- Version 2026.4.4StatusaffectedConstraints-
- Version 2026.4.5StatusaffectedConstraints-
- Version 2026.4.6StatusaffectedConstraints-
- Version 2026.4.7StatusaffectedConstraints-
- Version 2026.4.8StatusaffectedConstraints-
- Version 2026.4.9StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NousResearch | Hermes-Agent | n/a |
|
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
1 other source (NVD) ▾
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
1 other source (NVD) ▾
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR
1 other source (NVD) ▾
AV:N/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
YesTechnical Impact
PartialDecision
n/aAssessed May 29, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
May–Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.48% (0.00483) | 39.41th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.37% (0.00368) | 28.35th | v5 (v2026.06.15) |
| May 24, 2026 | 0.03% (0.00030) | 8.87th | v4 (v2025.03.14) |
References (4)
- https://gist.github.com/YLChen-007/760b3940f708990e535214529c0c7a27 exploit
- https://vuldb.com/submit/812215 third-party-advisory
- https://vuldb.com/vuln/365315 vdb-entrytechnical-description
- https://vuldb.com/vuln/365315/cti signaturepermissions-required
| Link | Providers | Tags |
|---|---|---|
| https://gist.github.com/YLChen-007/760b3940f708990e535214529c0c7a27 | exploit | |
| https://vuldb.com/submit/812215 | third-party-advisory | |
| https://vuldb.com/vuln/365315 | vdb-entrytechnical-description | |
| https://vuldb.com/vuln/365315/cti | signaturepermissions-required |
Change history (0)
No recorded changes yet.